The Cover,access, cataloged under National Stock Number 5340-01-428-6508, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Betts Industries, Inc.. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-428-6508 |
| Primary Part Number | BWF401AL |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Betts Industries, Inc. |
| Status | ACTIVE |
| Length | 6.6250 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 8 |
| Mounting Opening Shape Style | UNTHREADED HOLE |
| Cross-Sectional Shape Style | FLAT W/OPEN CENTER |
| Outside Diameter | 6.6250 INCHES NOMINAL IN |
| Securing Device Type | SPECIAL |
| Bolt Circle Diameter | 5.8750 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Material | ALUMINUM |
| Hole Diameter | 0.4375 INCHES NOMINAL IN |
| Body Thickness | 0.3750 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 |
|---|---|
| BWF401AL PRIMARY | Betts Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| VSE13332 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5340-01-428-6508 is a Cover,access, manufactured by Betts Industries, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-428-6508 has 1 manufacturer part number on file: BWF401AL (Betts Industries, Inc.).
Key specifications for BWF401AL: Length: 6.6250 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 8; Mounting Opening Shape Style: UNTHREADED HOLE; Cross-Sectional Shape Style: FLAT W/OPEN CENTER. 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.