The Washer,recessed, cataloged under National Stock Number 5310-00-662-4137, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Goodrich Corporation. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-662-4137 |
| Primary Part Number | 9495-99 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Surface Finish | 40.0 MICROINCHES BOTTOM |
| Surface Finish | 250.0 MICROINCHES TOP |
| Surface Finish | 40.0 MICROINCHES COUNTERBORE WALL |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | RECESSED |
| Material Document and Classification | QQ-C-390 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.830 INCHES MINIMUM AND 1.850 INCHES MAXIMUM IN |
| Recess Depth | 0.065 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN |
| Material Thickness | 0.059 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | COPPER ALLOY 953 OVERALL |
| Hole Diameter | 1.320 INCHES MINIMUM AND 1.340 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 |
|---|---|
| 9495-99 | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 9495-99 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 62C31643 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-662-4137 is a Washer,recessed, manufactured by Goodrich Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-662-4137 has 1 manufacturer part number on file: 9495-99 (Goodrich Corporation).
Key specifications for 9495-99: Surface Finish: 40.0 MICROINCHES BOTTOM; Surface Finish: 250.0 MICROINCHES TOP; Surface Finish: 40.0 MICROINCHES COUNTERBORE WALL; Overall Height: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN. 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.