The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-321-0397, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Global Combat Systems Limited. Government technical data includes 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-321-0397 |
| Primary Part Number | L-40-7453 ITEM F6 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bae Systems Global Combat Systems Limited |
| Status | ACTIVE |
| Extra Long Reference Number | M8 X 1.25 PHOSPHOR BRONZE C510 IAW ASTM F467M |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY EXTRA LONG REFERENCE NUMBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| L-40-7453 ITEM F6 | Bae Systems Global Combat Systems Limited (GBR) |
| Reference | Meaning |
|---|---|
| L-40-7453 ITEM F6 | 5/9 Secondary reference Marconi Electronics Inc Marconi Instruments Div |
| L-40-7453 ITEM F6 | 3/9 Design control — primary reference Viavi Solutionsllc |
| L-40-7453 ITEM F6 | 5/9 Secondary reference Bae Systems, Ro Defence |
| M8 X 1.25 PHOSPHOR BRONZE C510 - | 3/1 Design control — primary reference Bek, Inc. Dba Level 1 Fasteners |
NSN 5310-01-321-0397 is a Nut,plain,hexagon, manufactured by Bae Systems Global Combat Systems Limited, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-321-0397 has 1 manufacturer part number on file: L-40-7453 ITEM F6 (Bae Systems Global Combat Systems Limited).
Key specifications for L-40-7453 ITEM F6: Extra Long Reference Number: M8 X 1.25 PHOSPHOR BRONZE C510 IAW ASTM F467M; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY EXTRA LONG REFERENCE NUMBER. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.