The Cover,access, cataloged under National Stock Number 5340-00-531-0691, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives 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 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-531-0691 |
| Primary Part Number | 5310691 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| FSC Application Data | GUN MOUNTS THROUGH 30MM MM |
| Flange Thickness | 0.094 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 4 |
| Inside Corner Radius | 0.250 INCHES NOMINAL IN |
| First Recess Inside Height | 0.094 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | CIRCULAR RECESS |
| Outside Diameter | 2.500 INCHES NOMINAL IN |
| Securing Device Type | THREADED FASTENER |
| Inside Diameter | 1.500 INCHES NOMINAL IN |
| Bolt Circle Diameter | 2.187 INCHES NOMINAL IN |
| Surface Treatment | PAINT |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Material | STEEL |
| Hole Diameter | 0.165 INCHES NOMINAL IN |
| Body Thickness | 0.094 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5310691 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 5310691 | 5/9 Secondary reference Springfield Armory |
NSN 5340-00-531-0691 is a Cover,access, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-531-0691 has 1 manufacturer part number on file: 5310691 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 5310691: FSC Application Data: GUN MOUNTS THROUGH 30MM MM; Flange Thickness: 0.094 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 4; Inside Corner Radius: 0.250 INCHES NOMINAL IN. 16 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5340-00-531-0691 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.