The Washer,flat, cataloged under National Stock Number 5310-01-090-3076, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Whitcraft Llc Dba Pursuit Aerospace. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-090-3076 |
| Primary Part Number | 3031T32P01 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Whitcraft Llc Dba Pursuit Aerospace |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES ALL SURFACES |
| Surface Treatment Document and Classification | A50TF91, CL A MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Hardness Rating | 20.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS5504 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.219 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN |
| Thickness | 0.019 INCHES MINIMUM AND 0.023 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 |
|---|---|
| 3031T32P01 | Whitcraft Llc Dba Pursuit Aerospace (USA) |
| 3031T32P01 | Berkshire Manufactured Products, Inc. Dba Pursuit Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 3031T32P01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-090-3076 is a Washer,flat, manufactured by Whitcraft Llc Dba Pursuit Aerospace, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-090-3076 has 2 manufacturer part numbers on file: 3031T32P01 (Whitcraft Llc Dba Pursuit Aerospace), 3031T32P01 (Berkshire Manufactured Products, Inc. Dba Pursuit Aerospace).
Key specifications for 3031T32P01: Surface Finish: 63.0 MICROINCHES ALL SURFACES; Surface Treatment Document and Classification: A50TF91, CL A MFR REF SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Hardness Rating: 20.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM. 12 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.