The Washer,recessed, cataloged under National Stock Number 5310-01-065-7423, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-065-7423 |
| Primary Part Number | 12253647 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A |
| Style Designator | RECESSED |
| Material Document and Classification | QQ-A-200/4 FED SPEC ALL MATERIAL RESPONSES OR QQ-A-200/5 FED SPEC ALL MATERIAL RESPONSES OR QQ-A-250/6 FED SPEC ALL MATERIAL RESPONSES OR QQ-A-250/7 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 1.000 INCHES NOMINAL IN |
| Material Thickness | 0.250 INCHES NOMINAL IN |
| Recess Diameter | 0.650 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY OVERALL |
| Hole Diameter | 0.344 INCHES NOMINAL IN |
| Recess Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| 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 |
|---|---|
| 12253647 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12253647 | 8/1 NATO reproduction reference Fnss Savunma Sistemleri Anonim Sirketi |
NSN 5310-01-065-7423 is a Washer,recessed, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-065-7423 has 1 manufacturer part number on file: 12253647 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12253647: Surface Treatment Document and Classification: MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A; Style Designator: RECESSED; Material Document and Classification: QQ-A-200/4 FED SPEC ALL MATERIAL RESPONSES OR QQ-A-200/5 FED SPEC ALL MATERIAL RESPONSES OR QQ-A-250/6 FED SPEC ALL MATERIAL RESPONSES OR QQ-A-250/7 FED SPEC ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 1.000 INCHES NOMINAL IN. 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.