The Cover,access, cataloged under National Stock Number 5340-01-312-0287, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-312-0287 |
| Primary Part Number | 77C711734G1 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Inside Width | 3.180 INCHES NOMINAL IN |
| Length | 14.060 INCHES MINIMUM AND 14.140 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE |
| Inside Length | 13.920 INCHES NOMINAL IN |
| Distance Between Holes Along Length | 3.700 INCHES NOMINAL IN |
| Flange Thickness | 0.090 INCHES NOMINAL IN |
| First Recess Inside Height | 1.410 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/8 H32 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | SQUARE OR RECTANGULAR RECESS |
| Securing Device Type | SPECIAL |
| Surface Treatment | CHROMATE |
| Width | 4.320 INCHES MINIMUM AND 4.400 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 5052 |
| Body Thickness | 0.090 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 |
|---|---|
| 77C711734G1 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 77C711734G001 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5340-01-312-0287 is a Cover,access, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-312-0287 has 1 manufacturer part number on file: 77C711734G1 (Lockheed Martin Corporation Div Rms).
Key specifications for 77C711734G1: Inside Width: 3.180 INCHES NOMINAL IN; Length: 14.060 INCHES MINIMUM AND 14.140 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE; Inside Length: 13.920 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.