The Washer,recessed, cataloged under National Stock Number 5310-00-062-2342, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-062-2342 |
| Primary Part Number | 9937A1 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES ALL SURFACES |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM |
| Style Designator | RECESSED |
| Material Document and Classification | MIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.500 INCHES NOMINAL IN |
| Recess Depth | 0.030 INCHES NOMINAL IN |
| Material Thickness | 0.188 INCHES NOMINAL IN |
| Recess Diameter | 0.869 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.809 INCHES NOMINAL IN |
| Recess Angle | 90.0 DEGREES NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9937A1 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 9937A1 | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 9937A1 | 5/9 Secondary reference Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
NSN 5310-00-062-2342 is a Washer,recessed, manufactured by Goodrich Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-062-2342 has 1 manufacturer part number on file: 9937A1 (Goodrich Corporation).
Key specifications for 9937A1: Surface Finish: 63.0 MICROINCHES ALL SURFACES; Overall Height: 0.187 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN; Hardness Rating: 34.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM; Style Designator: RECESSED. 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.