The Washer,flat, cataloged under National Stock Number 5310-01-529-7197, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-529-7197 |
| Primary Part Number | 03309-26 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| Status | ACTIVE |
| Overall Diameter | 0.735 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Color | WHITE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC POLYCHLOROTRIFLUOROETHYLENE OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.281 INCHES NOMINAL IN |
| Thickness | 0.062 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 |
|---|---|
| 95630A475 | Mcmaster-Carr Supply Co (USA) |
| GD01010882 | General Dynamics United Kingdom Ltd (GBR) |
| 03309-26 PRIMARY | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
NSN 5310-01-529-7197 is a Washer,flat, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-529-7197 has 3 manufacturer part numbers on file: 95630A475 (Mcmaster-Carr Supply Co), GD01010882 (General Dynamics United Kingdom Ltd), 03309-26 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-566-9094. Verify interchangeability with system specifications before substitution.
Key specifications for 03309-26: Overall Diameter: 0.735 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Color: WHITE OVERALL; Special Features: USE UP TO 500 DEG F DEGF. 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.