The Washer,flat, cataloged under National Stock Number 5310-01-461-0285, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Timken Aerospace, Inc Dba Torrington Product. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-461-0285 |
| Primary Part Number | TRJD-4876 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Timken Aerospace, Inc Dba Torrington Product |
| Status | ACTIVE |
| Overall Diameter | 4.7180 INCHES MINIMUM AND 4.7195 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | BLANK RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 3.062 INCHES MINIMUM AND 3.072 INCHES MAXIMUM IN |
| Thickness | 0.3095 INCHES MINIMUM AND 0.3125 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 |
|---|---|
| TRJD-4876 PRIMARY | Timken Aerospace, Inc Dba Torrington Product (USA) |
| Reference | Meaning |
|---|---|
| 10250055-1 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 5310-01-461-0285 is a Washer,flat, manufactured by Timken Aerospace, Inc Dba Torrington Product, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-461-0285 has 1 manufacturer part number on file: TRJD-4876 (Timken Aerospace, Inc Dba Torrington Product).
Key specifications for TRJD-4876: Overall Diameter: 4.7180 INCHES MINIMUM AND 4.7195 INCHES MAXIMUM IN; Cross-Sectional Shape Style: BLANK RECTANGULAR; Special Features: PART NAME ASSIGNED BY MANUFACTURER WASHER, THRUST; Peripheral Shape Style: ROUND. 7 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.