The Washer,flat, cataloged under National Stock Number 5310-01-531-0573, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Technipower Llc Dba Unipower. 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 | 5310-01-531-0573 |
| Primary Part Number | 072-00165 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Technipower Llc Dba Unipower |
| Status | ACTIVE |
| Overall Diameter | 0.307 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CADMIUM OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Thickness | 0.027 INCHES MINIMUM AND 0.033 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 |
|---|---|
| 072-00165 PRIMARY | Technipower Llc Dba Unipower (USA) |
| 107-030-S7 PRIMARY | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
NSN 5310-01-531-0573 is a Washer,flat, manufactured by Technipower Llc Dba Unipower, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-531-0573 has 2 manufacturer part numbers on file: 072-00165 (Technipower Llc Dba Unipower), 107-030-S7 (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation).
Key specifications for 072-00165: Overall Diameter: 0.307 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: CADMIUM OVERALL; 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.