The Washer,flat, cataloged under National Stock Number 5310-01-418-8631, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Aztec Manufacturing, Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-418-8631 |
| Primary Part Number | N087543S |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Aztec Manufacturing, Inc |
| Status | ACTIVE |
| Overall Diameter | 0.875 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A240 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 304 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.434 INCHES NOMINAL IN |
| Thickness | 0.036 INCHES NOMINAL 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 |
|---|---|
| 103-06-024 | L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA) |
| N087543S PRIMARY | Aztec Manufacturing, Inc (USA) |
NSN 5310-01-418-8631 is a Washer,flat, manufactured by Aztec Manufacturing, Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-418-8631 has 2 manufacturer part numbers on file: 103-06-024 (L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation), N087543S (Aztec Manufacturing, Inc).
Key specifications for N087543S: Overall Diameter: 0.875 INCHES NOMINAL IN; Material Document and Classification: ASTM A240 ASSN STD 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.