The Cover,access, cataloged under National Stock Number 5340-01-057-0004, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-057-0004 |
| Primary Part Number | 139C7876 |
| 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 |
| Corner Radius | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Length | 3.800 INCHES MINIMUM AND 3.840 INCHES MAXIMUM IN |
| Bolt Circle Hole Quantity | 5 |
| Distance Between Hole Centerline and First Hole Along Length | 2.000 INCHES NOMINAL IN |
| Distance Between Holes Along Width | 2.810 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | FLAT |
| Securing Device Type | THREADED FASTENER |
| Distance Between Hole Centerline and First Hole Along Width | 0.990 INCHES NOMINAL IN |
| Surface Treatment | LACQUER |
| Peripheral Shape Style | IRREGULAR PENTAGON, FIVE HOLES |
| Width | 3.200 INCHES MINIMUM AND 3.240 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 |
| Body Thickness | 0.032 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 139C7876 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 139C7876 | 5/9 Secondary reference General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems |
NSN 5340-01-057-0004 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 5340-01-057-0004 has 1 manufacturer part number on file: 139C7876 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 139C7876: Corner Radius: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Length: 3.800 INCHES MINIMUM AND 3.840 INCHES MAXIMUM IN; Bolt Circle Hole Quantity: 5; Distance Between Hole Centerline and First Hole Along Length: 2.000 INCHES NOMINAL IN. 14 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.
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.