The Washer,flat, cataloged under National Stock Number 5310-01-631-9130, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Carolina Growler Inc Div Growler Manufacturing and Engineering. The record lists 1 manufacturer part number 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.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Carolina Growler Inc Div Growler Manufacturing and Engineering (CAGE 550C1) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-631-9130 |
| Primary Part Number | 110-0004 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Carolina Growler Inc Div Growler Manufacturing and Engineering |
| 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 |
|---|---|
| 110-0004 PRIMARY | Carolina Growler Inc Div Growler Manufacturing and Engineering (USA) |
NSN 5310-01-631-9130 is a Washer,flat, manufactured by Carolina Growler Inc Div Growler Manufacturing and Engineering, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-631-9130 has 1 manufacturer part number on file: 110-0004 (Carolina Growler Inc Div Growler Manufacturing and Engineering).
1 possible match (shared part number, not a government interchangeability claim): 8465-01-677-2791. Verify interchangeability with system specifications before substitution.
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.