The Washer,flat, cataloged under National Stock Number 5310-01-271-5831, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-271-5831 |
| Primary Part Number | 704AS8410 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-P-81728 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.250 INCHES NOMINAL IN |
| Heat Treatment | COLD ROLLED AND ANNEALED |
| Material Document and Classification | QQ-C-576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | TIN AND LEAD OVERALL |
| Peripheral Shape Style | ROUND |
| Material | COPPER OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.0235 INCHES MINIMUM AND 0.0265 INCHES MAXIMUM IN |
| Thickness | 0.0014 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 |
|---|---|
| 704AS8410 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 898410-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-271-5831 is a Washer,flat, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-271-5831 has 1 manufacturer part number on file: 704AS8410 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 704AS8410: Surface Treatment Document and Classification: MIL-P-81728 MIL STD SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.250 INCHES NOMINAL IN; Heat Treatment: COLD ROLLED AND ANNEALED; Material Document and Classification: QQ-C-576 ASSN STD SINGLE MATERIAL RESPONSE 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.