The Washer,flat, cataloged under National Stock Number 5310-01-138-6334, 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 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-138-6334 |
| Primary Part Number | 8100-0300 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Technipower Llc Dba Unipower |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ESFP-5,FSCM 13850 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | NICKEL OVERALL |
| Peripheral Shape Style | ROUND |
| Material | COPPER ALLOY OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.166 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| Thickness | 0.0295 INCHES MINIMUM AND 0.0345 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 |
|---|---|
| 8100-0300 PRIMARY | Technipower Llc Dba Unipower (USA) |
NSN 5310-01-138-6334 is a Washer,flat, manufactured by Technipower Llc Dba Unipower, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-138-6334 has 1 manufacturer part number on file: 8100-0300 (Technipower Llc Dba Unipower).
Key specifications for 8100-0300: Surface Treatment Document and Classification: ESFP-5,FSCM 13850 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: NICKEL OVERALL. 9 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.