The Washer,flat, cataloged under National Stock Number 5310-00-333-7348, 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 11 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-333-7348 |
| Primary Part Number | 8679576 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment Document and Classification | -QQ-P-416,TY 2,CL 2 FED SPEC 1ST TREATMENT RESPONSE OR -QQ-Z-325,TY 2,CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Heat Treatment | QUENCHED AND TEMPERED |
| Material Document and Classification | QQ-S-700 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| Thickness | 0.050 INCHES MINIMUM AND 0.070 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 |
|---|---|
| 520891 | Renk America Llc Div Renk America (USA) |
| 520891 | Satair A/s (DNK) |
| LM211-73 | Lord Corporation Dba Lord Corp (USA) |
| 8679576 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5310003337348 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5310-00-333-7348 is a Washer,flat, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-333-7348 has 4 manufacturer part numbers on file: 520891 (Renk America Llc Div Renk America), 520891 (Satair A/s), LM211-73 (Lord Corporation Dba Lord Corp), 8679576 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8679576: Surface Treatment Document and Classification: -QQ-P-416,TY 2,CL 2 FED SPEC 1ST TREATMENT RESPONSE OR -QQ-Z-325,TY 2,CL 2 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Overall Diameter: 0.620 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN; Heat Treatment: QUENCHED AND TEMPERED; Material Document and Classification: QQ-S-700 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.