The Washer,recessed, cataloged under National Stock Number 5310-01-053-1007, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 10 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 | 5310-01-053-1007 |
| Primary Part Number | 639AS627-5 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES TOP |
| Surface Finish | 16.0 MICROINCHES BOTTOM |
| Style Designator | RECESSED |
| Material Document and Classification | QQ-B-613,TEMPER HARD FED SPEC ALL MATERIAL RESPONSES OR QQ-B-626,TEMPER HARD FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM IN |
| Material Thickness | 0.0085 INCHES MINIMUM AND 0.0095 INCHES MAXIMUM IN |
| Recess Diameter | 0.102 INCHES NOMINAL IN |
| Material | COPPER ALLOY 260 OR COPPER ALLOY 268 OVERALL |
| Hole Diameter | 0.096 INCHES MINIMUM AND 0.097 INCHES MAXIMUM 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 |
|---|---|
| 639AS627-5 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5310-01-053-1007 is a Washer,recessed, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-053-1007 has 1 manufacturer part number on file: 639AS627-5 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 639AS627-5: Surface Finish: 16.0 MICROINCHES TOP; Surface Finish: 16.0 MICROINCHES BOTTOM; Style Designator: RECESSED; Material Document and Classification: QQ-B-613,TEMPER HARD FED SPEC ALL MATERIAL RESPONSES OR QQ-B-626,TEMPER HARD FED SPEC ALL MATERIAL RESPONSES OVERALL. 10 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.