The Washer,flat, cataloged under National Stock Number 5310-00-787-2897, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is A and M Aerospace, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-787-2897 |
| Primary Part Number | 4J13273-101A |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | A and M Aerospace, Inc. |
| Status | ACTIVE |
| Width Across Flats | 1.060 INCHES NOMINAL IN |
| Length | 1.060 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/12,TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | RECTANGULAR |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.190 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN |
| Thickness | 0.100 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 |
|---|---|
| 4J13273-101A | A and M Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4J13273-101A | 3/2 Design control — primary reference U.S. Government activity |
| 4J13273-101A | 5/9 Secondary reference Cobb County Tool and Engineering |
NSN 5310-00-787-2897 is a Washer,flat, manufactured by A and M Aerospace, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-787-2897 has 1 manufacturer part number on file: 4J13273-101A (A and M Aerospace, Inc.).
Key specifications for 4J13273-101A: Width Across Flats: 1.060 INCHES NOMINAL IN; Length: 1.060 INCHES NOMINAL IN; Material Document and Classification: QQ-A-250/12,TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 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.