The Housing,trigger Lock, cataloged under National Stock Number 1005-00-533-6550, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1005-00-533-6550 |
| Primary Part Number | 5336550 |
| Item Name | Housing,trigger Lock |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,1010-1020,ASTM A108; 1.8125IN. LG.; 0.750 IN. ACROSS FLATS; THREADED TO 0.750-10UNC-2A; HEAT TREAT TO ROCKWELL A70-75; ELECTRODEPOSITED ZINC,QQ-Z-325,TYPE II,CLASS 2 A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5336550 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| A10927 | Fnh Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 5336550 | 3/9 Design control — primary reference Springfield Armory |
NSN 1005-00-533-6550 is a Housing,trigger Lock, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-00-533-6550 has 2 manufacturer part numbers on file: 5336550 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), A10927 (Fnh Uk Ltd).
1 possible match (shared part number, not a government interchangeability claim): 5998-00-782-9477. Verify interchangeability with system specifications before substitution.
Key specifications for 5336550: General Characteristics Item Description: STEEL,1010-1020,ASTM A108; 1.8125IN. LG.; 0.750 IN. ACROSS FLATS; THREADED TO 0.750-10UNC-2A; HEAT TREAT TO ROCKWELL A70-75; ELECTRODEPOSITED ZINC,QQ-Z-325,TYPE II,CLASS 2 A. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1005-00-533-6550 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.