The Washer,flat, cataloged under National Stock Number 5310-01-588-2791, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Isspro, Inc. Dba Isspro 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-588-2791 |
| Primary Part Number | 9WA0105 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Isspro, Inc. Dba Isspro Inc |
| Status | ACTIVE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Center Hole Shape Style | ROUND |
| 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 |
|---|---|
| 9WA0105 PRIMARY | Isspro, Inc. Dba Isspro Inc (USA) |
| Reference | Meaning |
|---|---|
| 12469439 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5310-01-588-2791 is a Washer,flat, manufactured by Isspro, Inc. Dba Isspro Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-588-2791 has 1 manufacturer part number on file: 9WA0105 (Isspro, Inc. Dba Isspro Inc).
Key specifications for 9WA0105: Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: ZINC OVERALL; Peripheral Shape Style: ROUND; Part Name Assigned by Controlling Agency: WASHER, NUMBER 10, FLAT. 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.