The Cover Sub-Assembly, cataloged under National Stock Number 1005-00-311-1963, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Navsurfwarcen Det Picatinny. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1005-00-311-1963 |
| Primary Part Number | BUWEPSDWG880843 |
| Item Name | Cover Sub-Assembly |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Navsurfwarcen Det Picatinny |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL 4130 COND N,MIL-S-18729 OR AISI 4130,AISI1345 FED SPEC QQ-S-626; ROCKWELL C HARDNESS SCALE 28-34; 6.062 IN. W O/A; 4.500 IN. DIA AT BOTH ENDS; FURNISHED W/GUIDE,SPRING,AND LATCH PIN IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 880843 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| BUWEPSDWG880843 PRIMARY | Navsurfwarcen Det Picatinny (USA) |
| Reference | Meaning |
|---|---|
| 880843 | 5/2 Secondary reference U.S. Government activity |
| BUWEPSDWG880843 | 3/9 Design control — primary reference Department of the Navy Naval Surface Warfare Center Crane Detachment |
NSN 1005-00-311-1963 is a Cover Sub-Assembly, manufactured by Navsurfwarcen Det Picatinny, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-00-311-1963 has 2 manufacturer part numbers on file: 880843 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), BUWEPSDWG880843 (Navsurfwarcen Det Picatinny).
Key specifications for BUWEPSDWG880843: General Characteristics Item Description: STEEL 4130 COND N,MIL-S-18729 OR AISI 4130,AISI1345 FED SPEC QQ-S-626; ROCKWELL C HARDNESS SCALE 28-34; 6.062 IN. W O/A; 4.500 IN. DIA AT BOTH ENDS; FURNISHED W/GUIDE,SPRING,AND LATCH PIN IN; End Item Identification: GUN 20MM MK12 MM. 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 1005-00-311-1963 has DEMIL Code B. 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.