The Cover,access, cataloged under National Stock Number 5340-01-021-6321, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Electronic Systems Security Engineering Center. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-021-6321 |
| Primary Part Number | 16734 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — No Item Name Available |
| Manufacturer | Naval Electronic Systems Security Engineering Center |
| Status | ACTIVE |
| Surface Treatment | CADMIUM |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | QQ-A-596,ALLOY 356,T51 FED SPEC SINGLE MATERIAL RESPONSE |
| Securing Device Type | THREADED FASTENER |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Hole Diameter | 0.281 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 16734 | Naval Electronic Systems Security Engineering Center (USA) |
NSN 5340-01-021-6321 is a Cover,access, manufactured by Naval Electronic Systems Security Engineering Center, classified under FSC 5340 (No Item Name Available). Status: active.
NSN 5340-01-021-6321 has 1 cross-referenced part number: 16734 (Naval Electronic Systems Security Engineering Center).
There are 3 known substitutes for 5340-01-021-6321: 6630-00-247-2960, 4510-01-223-2268, 5950-01-436-9839. Verify interchangeability with system specifications before substitution.
Key specifications for 16734: Surface Treatment: CADMIUM; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: QQ-A-596,ALLOY 356,T51 FED SPEC SINGLE MATERIAL RESPONSE; Securing Device Type: THREADED FASTENER. 8 total characteristics are documented in the Federal Logistics Information System.