The Washer,recessed, cataloged under National Stock Number 5310-01-462-2687, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Moeller Manufacturing & Supply, Llc. 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 | 5310-01-462-2687 |
| Primary Part Number | 4M284-12C |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Moeller Manufacturing & Supply, Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Criticality Code Justification | AGAV |
| Style Designator | RECESSED |
| Material Document and Classification | AMS 5604,CONDITON H1025 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.250 INCHES NOMINAL IN |
| Material Thickness | 0.078 INCHES NOMINAL IN |
| Recess Diameter | 0.757 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN |
| Color | BROWN OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 630 OVERALL |
| Hole Diameter | 0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN |
| Recess Angle | 45.0 DEGREES NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 4M284-12C PRIMARY | Moeller Manufacturing & Supply, Llc (USA) |
| T4M284-12C | Trico Manufacturing Inc. (USA) |
| T4M284-12C PRIMARY | Standard Wire & Cable Co. Dba Standard Wire & Cable Co (USA) |
| 4M284-12C | The Boeing Company Div Defense (USA) |
NSN 5310-01-462-2687 is a Washer,recessed, manufactured by Moeller Manufacturing & Supply, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-462-2687 has 4 manufacturer part numbers on file: 4M284-12C (Moeller Manufacturing & Supply, Llc), T4M284-12C (Trico Manufacturing Inc.), T4M284-12C (Standard Wire & Cable Co. Dba Standard Wire & Cable Co), 4M284-12C (The Boeing Company Div Defense).
Key specifications for 4M284-12C: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Criticality Code Justification: AGAV; Style Designator: RECESSED; Material Document and Classification: AMS 5604,CONDITON 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.