The Washer,flat, cataloged under National Stock Number 5310-01-618-4302, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company. 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 | 5310-01-618-4302 |
| Primary Part Number | 71050001 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company |
| Status | ACTIVE |
| Overall Diameter | 2.303 INCHES MINIMUM AND 2.323 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM B36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Color | YELLOW OVERALL |
| Peripheral Shape Style | ROUND |
| Material | COPPER ALLOY OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN |
| Thickness | 0.0807 INCHES MINIMUM AND 0.1007 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 |
|---|---|
| 71050001 PRIMARY | Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company (USA) |
NSN 5310-01-618-4302 is a Washer,flat, manufactured by Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-618-4302 has 1 manufacturer part number on file: 71050001 (Elkhart Brass Manufacturing Company, Llc Div Elkhart Brass Manufacturing Company).
Key specifications for 71050001: Overall Diameter: 2.303 INCHES MINIMUM AND 2.323 INCHES MAXIMUM IN; Material Document and Classification: ASTM B36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Color: YELLOW 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.