The Washer,flat, cataloged under National Stock Number 5310-00-150-3855, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-150-3855 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR SAE ASSN STD 1ST MATERIAL RESPONSE AND QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR SAE ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 125000 POUNDS PER SQUARE INCH LBS |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 4130 OR STEEL COMP 4140 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.438 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN |
| Thickness | 0.089 INCHES MINIMUM AND 0.099 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 |
| Reference | Meaning |
|---|---|
| T1H37A | 5/9 Secondary reference U.S. Government activity |
| T1H37A | 3/9 Design control — primary reference Gse Production and Support Llc Dba Gse Spares |
NSN 5310-00-150-3855 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-150-3855: Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM IN; Material Document and Classification: QQ-S-624 FED SPEC 1ST MATERIAL RESPONSE OR SAE ASSN STD 1ST MATERIAL RESPONSE AND QQ-S-624 FED SPEC 2ND MATERIAL RESPONSE OR SAE ASSN STD 2ND MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 11 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.