The Cover,access, cataloged under National Stock Number 5340-01-307-7944, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 15 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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-307-7944 |
| Primary Part Number | 1551AS552-1 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Inside Width | 7.812 INCHES NOMINAL IN |
| Length | 12.190 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE |
| Inside Length | 11.562 INCHES NOMINAL IN |
| Flange Thickness | 0.063 INCHES NOMINAL IN |
| Inside Corner Radius | 0.060 INCHES NOMINAL IN |
| First Recess Inside Height | 1.127 INCHES NOMINAL IN |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Material Document and Classification | QQ-A-250/8,TEMPER H32 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | SQUARE OR RECTANGULAR RECESS |
| Securing Device Type | SPECIAL |
| Surface Treatment | CHROMATE |
| Width | 8.750 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 5052 |
| Body Thickness | 0.063 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 |
|---|---|
| 1551AS552-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5340-01-307-7944 is a Cover,access, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-307-7944 has 1 manufacturer part number on file: 1551AS552-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 1551AS552-1: Inside Width: 7.812 INCHES NOMINAL IN; Length: 12.190 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE; Inside Length: 11.562 INCHES NOMINAL IN. 15 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.