The Cover,access, cataloged under National Stock Number 5340-01-273-5258, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-273-5258 |
| Primary Part Number | 10253027-1 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Length | 1.500 INCHES NOMINAL IN |
| Flange Thickness | 0.015 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN |
| Inside Corner Radius | 0.325 INCHES NOMINAL IN |
| First Recess Inside Height | 0.350 INCHES NOMINAL IN |
| Material Document and Classification | MIL-R-6855 CL 2 TY B GR 50 MIL SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | CIRCULAR RECESS |
| Inside Diameter | 1.040 INCHES NOMINAL IN |
| Peripheral Shape Style | OVAL, NO HOLES |
| Width | 1.120 INCHES NOMINAL IN |
| Material | RUBBER |
| Body Thickness | 0.015 INCHES MINIMUM AND 0.030 INCHES MAXIMUM 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 |
|---|---|
| 10253027-1 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 10253027-1 | Spencer Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 10253027-1 | 5/9 Secondary reference Raytheon Company Div Corp |
| 10253027-1 | 5/1 Secondary reference Raytheon Company Dba Raytheon Co |
NSN 5340-01-273-5258 is a Cover,access, manufactured by Us Army Aviation and Missile Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-273-5258 has 2 manufacturer part numbers on file: 10253027-1 (Us Army Aviation and Missile Command), 10253027-1 (Spencer Industries Inc).
Key specifications for 10253027-1: Length: 1.500 INCHES NOMINAL IN; Flange Thickness: 0.015 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN; Inside Corner Radius: 0.325 INCHES NOMINAL IN; First Recess Inside Height: 0.350 INCHES NOMINAL IN. 11 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.