The Cover,access, cataloged under National Stock Number 5340-01-478-2109, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-478-2109 |
| Primary Part Number | 751-6402323-1 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Distance From First Hole Centerline to End Along Width | 0.906 INCHES NOMINAL IN |
| Corner Radius | 0.250 INCHES NOMINAL IN |
| Length | 6.375 INCHES NOMINAL IN |
| Distance Between Holes Along Length | 2.875 INCHES NOMINAL IN |
| Distance Between Holes Along Width | 0.938 INCHES NOMINAL IN |
| Material Document and Classification | QQ-P-286 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | FLAT |
| Inverted Radius | 0.250 INCHES NOMINAL IN |
| Securing Device Type | THREADED FASTENER |
| Distance From First Hole Centerline to End Along Length | 0.312 INCHES NOMINAL IN |
| Peripheral Shape Style | RECTANGLE, IRREGULAR ENDS, FOUR HOLES |
| Width | 2.750 INCHES NOMINAL IN |
| Material | NICKEL ALLOY |
| Body Thickness | 0.622 INCHES MINIMUM AND 0.625 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 |
|---|---|
| 751-6402301 FIND 11 | Naval Sea Systems Command (USA) |
| 751-6402323-1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 751-6402302-11 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 751-6402323 ITEM 1 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 211068978 | 5/9 Secondary reference Naval Sea Systems Command |
| 751-6402302 FIND 11 | 5/9 Secondary reference Naval Sea Systems Command |
| 751-6402301 ITEM 11 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5340-01-478-2109 is a Cover,access, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-478-2109 has 2 manufacturer part numbers on file: 751-6402301 FIND 11 (Naval Sea Systems Command), 751-6402323-1 (Naval Sea Systems Command).
Key specifications for 751-6402323-1: Distance From First Hole Centerline to End Along Width: 0.906 INCHES NOMINAL IN; Corner Radius: 0.250 INCHES NOMINAL IN; Length: 6.375 INCHES NOMINAL IN; Distance Between Holes Along Length: 2.875 INCHES NOMINAL IN. 14 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.