The Washer,flat, cataloged under National Stock Number 5310-01-283-1174, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-283-1174 |
| Primary Part Number | 5486672 PIECE 87 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.875 INCHES NOMINAL IN |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.327 INCHES NOMINAL IN |
| Thickness | 0.072 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 |
|---|---|
| 5486672 PIECE 87 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| FF-W-92 | 4/1 Identification reference U.S. Government activity |
NSN 5310-01-283-1174 is a Washer,flat, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-283-1174 has 1 manufacturer part number on file: 5486672 PIECE 87 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 5486672 PIECE 87: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.875 INCHES NOMINAL IN; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 10 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.