MP 40 submachine gun
E539608
The MP 40 submachine gun was a German World War II-era 9mm automatic weapon widely issued to infantry, paratroopers, and armored troops, known for its compact design and use by Nazi forces.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Erma MP40 (design and manufacture involvement) | 1 |
| MP 40 submachine gun canonical | 1 |
| MP 40/1 variant | 1 |
| MP40 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5621310 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MP 40 submachine gun Context triple: [Fallschirmjäger, usedEquipment, MP 40 submachine gun]
-
A.
MG 34
The MG 34 is a German World War II-era general-purpose machine gun known for its high rate of fire, versatility, and role as a precursor to the MG 42.
-
B.
FG 42 battle rifle
The FG 42 battle rifle was a German World War II automatic rifle developed for paratroopers, notable for its compact design, high rate of fire, and advanced features for its time.
-
C.
Sten submachine gun
The Sten submachine gun was a simple, inexpensive British 9mm World War II firearm widely used by Allied forces and resistance fighters for its ease of manufacture and concealment.
-
D.
MG 42 machine gun
The MG 42 machine gun is a German World War II-era general-purpose machine gun renowned for its extremely high rate of fire, reliability, and influential design that shaped postwar machine guns worldwide.
-
E.
Lewis gun
The Lewis gun is a distinctive World War I–era air-cooled, drum-fed light machine gun widely used by British and Commonwealth forces in infantry and aircraft roles.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MP 40 submachine gun Target entity description: The MP 40 submachine gun was a German World War II-era 9mm automatic weapon widely issued to infantry, paratroopers, and armored troops, known for its compact design and use by Nazi forces.
-
A.
MG 34
The MG 34 is a German World War II-era general-purpose machine gun known for its high rate of fire, versatility, and role as a precursor to the MG 42.
-
B.
FG 42 battle rifle
The FG 42 battle rifle was a German World War II automatic rifle developed for paratroopers, notable for its compact design, high rate of fire, and advanced features for its time.
-
C.
Sten submachine gun
The Sten submachine gun was a simple, inexpensive British 9mm World War II firearm widely used by Allied forces and resistance fighters for its ease of manufacture and concealment.
-
D.
MG 42 machine gun
The MG 42 machine gun is a German World War II-era general-purpose machine gun renowned for its extremely high rate of fire, reliability, and influential design that shaped postwar machine guns worldwide.
-
E.
Lewis gun
The Lewis gun is a distinctive World War I–era air-cooled, drum-fed light machine gun widely used by British and Commonwealth forces in infantry and aircraft roles.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
World War II-era weapon
ⓘ
submachine gun ⓘ |
| action | blowback-operated ⓘ |
| ammunitionType | 9×19mm Parabellum ⓘ |
| barrelLength | approximately 251 mm ⓘ |
| caliber | 9×19mm Parabellum ⓘ |
| chambering | 9mm Luger ⓘ |
| countryOfOrigin | Germany ⓘ |
| designedFor |
German armed forces
ⓘ
linked to:
German military
|
| designedIn | late 1930s ⓘ |
| designer | Heinrich Vollmer ⓘ |
| feature |
folding metal stock
ⓘ
open-bolt operation ⓘ selective safety via bolt notch ⓘ underfolding stock ⓘ |
| feedSystem | 32-round detachable box magazine ⓘ |
| firingMode | fully automatic ⓘ |
| magazineCapacity | 32 rounds ⓘ |
| magazineType | detachable box magazine ⓘ |
| manufacturer |
Erma Werke
ⓘ
Haenel ⓘ Steyr-Daimler-Puch ⓘ |
| material |
plastic furniture
ⓘ
stamped steel ⓘ |
| misattributedDesigner | Hugo Schmeisser ⓘ |
| nicknamed | Schmeisser ⓘ |
| notableFor |
compact design
ⓘ
extensive use by Nazi Germany ⓘ iconic silhouette in World War II imagery ⓘ |
| numberBuilt | over 1,000,000 ⓘ |
| overallLength |
approximately 630 mm stock folded
ⓘ
approximately 833 mm stock extended ⓘ |
| predecessor | MP 38 ⓘ |
| productionPeriod | 1940–1945 ⓘ |
| rateOfFire | about 500–550 rounds per minute ⓘ |
| sights |
fixed front sight
ⓘ
flip-up rear sight ⓘ |
| successor |
MP 40/1 variant
ⓘ
linked to:
MP 40 submachine gun
|
| usedBy |
Axis-aligned forces
ⓘ
German armored troops ⓘ German infantry ⓘ
linked to:
German military
German paratroopers ⓘ Waffen-SS ⓘ Wehrmacht ⓘ postwar police and military forces in several countries ⓘ various resistance groups ⓘ |
| usedInConflict | World War II ⓘ |
| weight | approximately 3.97 kg unloaded ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: MP 40 submachine gun Description of subject: The MP 40 submachine gun was a German World War II-era 9mm automatic weapon widely issued to infantry, paratroopers, and armored troops, known for its compact design and use by Nazi forces.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
MP 40 submachine gun
linked to: MP 40 submachine gun
linked to: MP 40 submachine gun
linked to: MP 40 submachine gun