The Washer,flat, cataloged under National Stock Number 5310-01-462-2758, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Standard Wire & Cable Co. Dba Standard Wire & Cable Co. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-462-2758 |
| Primary Part Number | T4M284-12 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Standard Wire & Cable Co. Dba Standard Wire & Cable Co |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 1.250 INCHES NOMINAL IN |
| Criticality Code Justification | AGAV |
| Material Document and Classification | AMS 5604,CONDITION H1025 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Color | BROWN OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 630 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.757 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN |
| Thickness | 0.0672 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
NSN 5310-01-462-2758 is a Washer,flat, manufactured by Standard Wire & Cable Co. Dba Standard Wire & Cable Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-462-2758 has 4 manufacturer part numbers on file: T4M284-12 (Trico Manufacturing Inc.), T4M284-12 (Standard Wire & Cable Co. Dba Standard Wire & Cable Co), 4M284-12 (The Boeing Company Div Defense), 4M284-12 (Moeller Manufacturing & Supply, Llc).
Key specifications for T4M284-12: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 1.250 INCHES NOMINAL IN; Criticality Code Justification: AGAV; Material Document and Classification: AMS 5604,CONDITION H1025 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.