The Washer,recessed, cataloged under National Stock Number 5310-00-239-8585, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-239-8585 |
| Primary Part Number | 739023-1 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Hardness Rating | 77.0 ROCKWELL SUPERFICIAL 15-T MINIMUM |
| Style Designator | RECESSED |
| Material Document and Classification | AMS 4027 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.647 INCHES MINIMUM AND 2.652 INCHES MAXIMUM IN |
| Recess Depth | 0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Material Thickness | 0.017 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY OVERALL |
| Hole Diameter | 1.000 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 | X |
| Part Number | Manufacturer |
|---|---|
| 739023-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 5310-00-239-8585 is a Washer,recessed, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-239-8585 has 1 manufacturer part number on file: 739023-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 739023-1: Overall Height: 0.187 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN; Hardness Rating: 77.0 ROCKWELL SUPERFICIAL 15-T MINIMUM; Style Designator: RECESSED; Material Document and Classification: AMS 4027 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 9 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.