The Washer,flat, cataloged under National Stock Number 5310-00-274-7901, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Wildfire Pacific Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-274-7901 |
| Primary Part Number | NX30 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Wildfire Pacific Inc |
| Status | ACTIVE |
| Overall Diameter | 1.000 INCHES NOMINAL IN |
| Material Document and Classification | QQ-B-636,COND 1-CANCELED FED SPEC 1ST MATERIAL RESPONSE AND QQ-B-636,COND 2-CANCELED FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Departure From Cited Designator | AS MODIFIED BY OUTSIDE DIM. AND THK |
| Nondefinitive Spec/std Data | A TYPE AND 2 GRADE AND A CLASS |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM IN |
| Thickness | 0.188 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 |
NSN 5310-00-274-7901 is a Washer,flat, manufactured by Wildfire Pacific Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-274-7901 has 2 manufacturer part numbers on file: NX30 (Wildfire Pacific Inc), 954PC34 (Wildfire Pacific Inc).
Key specifications for NX30: Overall Diameter: 1.000 INCHES NOMINAL IN; Material Document and Classification: QQ-B-636,COND 1-CANCELED FED SPEC 1ST MATERIAL RESPONSE AND QQ-B-636,COND 2-CANCELED FED SPEC 2ND MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Departure From Cited Designator: AS MODIFIED BY OUTSIDE DIM. AND THK. 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.