The Washer,flat, cataloged under National Stock Number 5310-01-476-9790, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Globe Fasteners Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-476-9790 |
| Primary Part Number | N-7923-140 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Globe Fasteners Inc |
| Status | ACTIVE |
| Overall Diameter | 0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN |
| Material Document and Classification | L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Thickness | 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN |
| 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 |
|---|---|
| N-7923-140 PRIMARY | Globe Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| 12561903 | 5/9 Secondary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| 12561903-3 | 5/9 Secondary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 5310-01-476-9790 is a Washer,flat, manufactured by Globe Fasteners Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-476-9790 has 1 manufacturer part number on file: N-7923-140 (Globe Fasteners Inc).
1 possible match (shared part number, not a government interchangeability claim): 4520-01-698-3214. Verify interchangeability with system specifications before substitution.
Key specifications for N-7923-140: Overall Diameter: 0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN; Material Document and Classification: L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 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.