The Washer,recessed, cataloged under National Stock Number 5310-01-435-7499, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hutchinson Aerospace & Industry, Inc.. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-435-7499 |
| Primary Part Number | NA0179B-080C |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hutchinson Aerospace & Industry, Inc. |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | RECESSED |
| Material Document and Classification | A286 MFR REF 1ST MATERIAL RESPONSE AND AMS5525 NATIONAL SPEC 2ND MATERIAL RESPONSE OR AMS5732 NATIONAL SPEC 3RD MATERIAL RESPONSE OR AMS5736 NATIONAL SPEC 4TH MATERIAL RESPONSE OVERALL |
| Material Thickness | 2.0 MILLIMETERS NOMINAL MM |
| Recess Diameter | 10.2 MILLIMETERS MINIMUM AND 10.5 MILLIMETERS MAXIMUM MM |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 8.60 MILLIMETERS MINIMUM AND 8.96 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| NA0179B-080C PRIMARY | Hutchinson Aerospace & Industry, Inc. (USA) |
| Reference | Meaning |
|---|---|
| NA0179B-080C | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-435-7499 is a Washer,recessed, manufactured by Hutchinson Aerospace & Industry, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-435-7499 has 1 manufacturer part number on file: NA0179B-080C (Hutchinson Aerospace & Industry, Inc.).
Key specifications for NA0179B-080C: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: RECESSED; Material Document and Classification: A286 MFR REF 1ST MATERIAL RESPONSE AND AMS5525 NATIONAL SPEC 2ND MATERIAL RESPONSE OR AMS5732 NATIONAL SPEC 3RD MATERIAL RESPONSE OR AMS5736 NATIONAL SPEC 4TH MATERIAL RESPONSE OVERALL; Material Thickness: 2.0 MILLIMETERS NOMINAL MM. 8 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.