The Washer,flat, cataloged under National Stock Number 5310-01-335-6461, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Dana Off Highway Products, Llc. 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 | 5310-01-335-6461 |
| Primary Part Number | 111657 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Overall Diameter | 1.875 INCHES NOMINAL IN |
| Hardness Rating | 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Specification/standard Data | 03504-111657 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1070 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.281 INCHES NOMINAL IN |
| Thickness | 0.1189 INCHES MINIMUM AND 0.1203 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 |
|---|---|
| 111657 PRIMARY | Dana Off Highway Products, Llc (USA) |
NSN 5310-01-335-6461 is a Washer,flat, manufactured by Dana Off Highway Products, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-335-6461 has 1 manufacturer part number on file: 111657 (Dana Off Highway Products, Llc).
Key specifications for 111657: Overall Diameter: 1.875 INCHES NOMINAL IN; Hardness Rating: 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM; Cross-Sectional Shape Style: RECTANGULAR; Specification/standard Data: 03504-111657 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION. 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.