The Cover,access, cataloged under National Stock Number 5340-01-438-6977, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-438-6977 |
| Primary Part Number | 185A504-1 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Distance From First Hole Centerline to End Along Width | 0.300 INCHES NOMINAL IN |
| Length | 16.490 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-5541 CL3 MIL SPEC SINGLE TREATMENT RESPONSE |
| Distance Between Holes Along Length | 1.500 INCHES NOMINAL IN |
| Hole Quantity Along Length | 20 |
| Distance Between Holes Along Width | 1.500 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | FLAT |
| Securing Device Type | THREADED FASTENER |
| Hole Quantity Along Width | 8 |
| Distance From First Hole Centerline to End Along Length | 0.745 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE |
| Peripheral Shape Style | RECTANGLE, MULTI HOLES |
| Width | 5.810 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 |
| Hole Diameter | 0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN |
| Body Thickness | 0.090 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 185A504-1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
NSN 5340-01-438-6977 is a Cover,access, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-438-6977 has 1 manufacturer part number on file: 185A504-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 185A504-1: Distance From First Hole Centerline to End Along Width: 0.300 INCHES NOMINAL IN; Length: 16.490 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541 CL3 MIL SPEC SINGLE TREATMENT RESPONSE; Distance Between Holes Along Length: 1.500 INCHES NOMINAL IN. 18 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 5340-01-438-6977 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.