The Washer,flat, cataloged under National Stock Number 5310-01-472-8129, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Service & Sales Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-472-8129 |
| Primary Part Number | 366522-8 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Service & Sales Inc |
| Status | ACTIVE |
| Overall Diameter | 2.165 INCHES MINIMUM AND 2.175 INCHES MAXIMUM IN |
| Peripheral Shape Style | ROUND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Diameter | 1.630 INCHES MINIMUM AND 1.650 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 |
|---|---|
| 366522-8 | Service & Sales Inc (USA) |
| Reference | Meaning |
|---|---|
| 366522-8 | 3/2 Design control — primary reference U.S. Government activity |
| 366522 | D/9 Drawing number reference only U.S. Government activity |
NSN 5310-01-472-8129 is a Washer,flat, manufactured by Service & Sales Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-472-8129 has 1 manufacturer part number on file: 366522-8 (Service & Sales Inc).
Key specifications for 366522-8: Overall Diameter: 2.165 INCHES MINIMUM AND 2.175 INCHES MAXIMUM IN; Peripheral Shape Style: ROUND; End Item Identification: F-5 ACFT; Material: STEEL CORROSION RESISTING OVERALL. 4 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.