The Cover,access, cataloged under National Stock Number 5340-01-381-9851, 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 - Mitchel Field. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-381-9851 |
| Primary Part Number | 1055764 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | QQ-A-250/8 H32 FED SPEC SINGLE MATERIAL RESPONSE |
| Securing Device Type | SPECIAL |
| Material | ALUMINUM ALLOY 5052 |
| Hole Diameter | 0.164 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Body Thickness | 0.040 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 |
|---|---|
| 1055764 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| 3154277 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 3154277 | 5/2 Secondary reference U.S. Government activity |
| 3154277 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5340-01-381-9851 is a Cover,access, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-381-9851 has 1 manufacturer part number on file: 1055764 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 1055764: Mounting Opening Shape Style: UNTHREADED HOLE; Material Document and Classification: QQ-A-250/8 H32 FED SPEC SINGLE MATERIAL RESPONSE; Securing Device Type: SPECIAL; Material: ALUMINUM ALLOY 5052. 6 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.