The Washer,recessed, cataloged under National Stock Number 5310-01-480-4996, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-480-4996 |
| Primary Part Number | 4M284-22C |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| 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 | 2.250 INCHES NOMINAL IN |
| Material Thickness | 0.100 INCHES NOMINAL IN |
| Recess Diameter | 1.385 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN |
| Color | BROWN OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 630 OVERALL |
| Hole Diameter | 1.560 INCHES MINIMUM AND 1.580 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 |
|---|---|
| 4M284-22C | Moeller Manufacturing & Supply, Llc (USA) |
| 4M284-22C PRIMARY | The Boeing Company Div Defense (USA) |
| 4M284-22C PRIMARY | Anillo Industries Llc (USA) |
| T4M284-22C | Standard Wire & Cable Co. Dba Standard Wire & Cable Co (USA) |
| 4M284-22C PRIMARY | Trico Manufacturing Inc. (USA) |
| T4M284-22C PRIMARY | Trico Manufacturing Inc. (USA) |
NSN 5310-01-480-4996 is a Washer,recessed, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-480-4996 has 6 manufacturer part numbers on file: 4M284-22C (Moeller Manufacturing & Supply, Llc), 4M284-22C (The Boeing Company Div Defense), 4M284-22C (Anillo Industries Llc), T4M284-22C (Standard Wire & Cable Co. Dba Standard Wire & Cable Co), 4M284-22C (Trico Manufacturing Inc.) and 1 more.
Key specifications for 4M284-22C: 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.