The Washer,flat, cataloged under National Stock Number 5310-01-506-7700, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Appleton Marine Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-506-7700 |
| Primary Part Number | 7.1-082.0000 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Appleton Marine Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 7.1-082.0000 PRIMARY | Appleton Marine Inc (USA) |
| 7.1-082 | Appleton Marine Inc (USA) |
NSN 5310-01-506-7700 is a Washer,flat, manufactured by Appleton Marine Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-506-7700 has 2 manufacturer part numbers on file: 7.1-082.0000 (Appleton Marine Inc), 7.1-082 (Appleton Marine Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-687-8758. Verify interchangeability with system specifications before substitution.
Key specifications for 7.1-082.0000: Special Features: HARDENED 1-1/2 INCH ID FLAT WASHER IN; End Item Identification: CRANE ASSEMBLY, PART NUMBER SB230-42 USED ABOARD 175 FT WLM COAST GUARD VESSELS FT. 0 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.