The Washer,flat, cataloged under National Stock Number 5310-01-253-8437, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Am General Llc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-253-8437 |
| Primary Part Number | 5595667 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Am General Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 1.500 INCHES NOMINAL IN |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1045 OR STEEL COMP 1050 OR STEEL COMP 1055 OR STEEL COMP 1060 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.440 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN |
| Thickness | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM 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 |
|---|---|
| 5595667 PRIMARY | Am General Llc (USA) |
| EC12340058 | Am General Llc (USA) |
| 12340058 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5310PL0760600 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5310-01-253-8437 is a Washer,flat, manufactured by Am General Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-253-8437 has 3 manufacturer part numbers on file: 5595667 (Am General Llc), EC12340058 (Am General Llc), 12340058 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 5595667: Surface Treatment Document and Classification: QQ-P-416,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 1.500 INCHES NOMINAL IN; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM; Cross-Sectional Shape Style: RECTANGULAR. 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.