The Washer,flat, cataloged under National Stock Number 5310-01-322-7331, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Aeronautical and Support Equipment Type/asetds/aflcmc/ezsc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-322-7331 |
| Primary Part Number | 84-32117 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Aeronautical and Support Equipment Type/asetds/aflcmc/ezsc |
| Status | ACTIVE |
| Overall Diameter | 0.490 INCHES NOMINAL IN |
| Material Document and Classification | ASTM D4020 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC, POLYETHYLENE (PP) OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.236 INCHES NOMINAL IN |
| Thickness | 0.020 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 |
|---|---|
| 84-32117 PRIMARY | Aeronautical and Support Equipment Type/asetds/aflcmc/ezsc (USA) |
| Reference | Meaning |
|---|---|
| 326-100-040 | 3/9 Design control — primary reference Southco Inc |
NSN 5310-01-322-7331 is a Washer,flat, manufactured by Aeronautical and Support Equipment Type/asetds/aflcmc/ezsc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-322-7331 has 1 manufacturer part number on file: 84-32117 (Aeronautical and Support Equipment Type/asetds/aflcmc/ezsc).
Key specifications for 84-32117: Overall Diameter: 0.490 INCHES NOMINAL IN; Material Document and Classification: ASTM D4020 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; 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.