The Washer,flat, cataloged under National Stock Number 5310-01-642-1913, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Genuine Aircraft Hardware Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-642-1913 |
| Primary Part Number | NAS1149EN232P |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Genuine Aircraft Hardware Co |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES ALL SURFACES |
| Surface Treatment Document and Classification | AMS-QQ-P-416,TY II,CL 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.245 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Material Document and Classification | A286 PER AMS5525 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Specification/standard Data | 80205-NAS1149 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | CADMIUM OVERALL |
| Peripheral Shape Style | ROUND |
| Material | IRON ALLOY 660 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.089 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN |
| Thickness | 0.032 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 |
|---|---|
| NAS1149EN232P | Genuine Aircraft Hardware Co (USA) |
| Reference | Meaning |
|---|---|
| NAS1149EN232P | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-642-1913 is a Washer,flat, manufactured by Genuine Aircraft Hardware Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-642-1913 has 1 manufacturer part number on file: NAS1149EN232P (Genuine Aircraft Hardware Co).
Key specifications for NAS1149EN232P: Surface Finish: 125.0 MICROINCHES ALL SURFACES; Surface Treatment Document and Classification: AMS-QQ-P-416,TY II,CL 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.245 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN; Material Document and Classification: A286 PER AMS5525 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.