The Cover,access, cataloged under National Stock Number 5340-01-312-4989, 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 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-312-4989 |
| Primary Part Number | 77C707319P1 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Distance From First Hole Centerline to End Along Width | 2.210 INCHES NOMINAL IN |
| Inside Width | 4.250 INCHES NOMINAL IN |
| Corner Radius | 0.120 INCHES NOMINAL IN |
| Length | 5.230 INCHES MINIMUM AND 5.260 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE |
| Inside Length | 5.050 INCHES NOMINAL IN |
| Flange Thickness | 0.090 INCHES NOMINAL IN |
| Inside Corner Radius | 0.120 INCHES NOMINAL IN |
| First Recess Inside Height | 1.410 INCHES NOMINAL IN |
| Mounting Opening Shape Style | CLOSED VERTICAL SLOT |
| Material Document and Classification | QQ-A-250/8,H32 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | SQUARE OR RECTANGULAR RECESS |
| Features Provided | OBSERVATION FACILITY |
| Securing Device Type | SPECIAL |
| Distance From First Hole Centerline to End Along Length | 2.180 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN |
| Surface Treatment | CHROMATE |
| Peripheral Shape Style | RECTANGLE, ONE CENTER HOLE |
| Width | 4.430 INCHES MINIMUM AND 4.460 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 5052 |
| Slot Width | 0.157 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Slot Length | 0.230 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 77C707319P1 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 77C707319P001 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5340-01-312-4989 is a Cover,access, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-312-4989 has 1 manufacturer part number on file: 77C707319P1 (Lockheed Martin Corporation Div Rms).
Key specifications for 77C707319P1: Distance From First Hole Centerline to End Along Width: 2.210 INCHES NOMINAL IN; Inside Width: 4.250 INCHES NOMINAL IN; Corner Radius: 0.120 INCHES NOMINAL IN; Length: 5.230 INCHES MINIMUM AND 5.260 INCHES MAXIMUM IN. 22 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.