The Washer,flat, cataloged under National Stock Number 5310-01-374-6928, 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 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Oshkosh Defense Llc (CAGE 75Q65); U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207); Amz Alabama Inc. (CAGE 076M6); Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (CAGE 0FW39) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-374-6928 |
| Primary Part Number | 12417975-006 |
| 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 | DIN 267 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 18.0 MILLIMETERS NOMINAL MM |
| Material Document and Classification | DIN 9021 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 6.4 MILLIMETERS NOMINAL MM |
| Thickness | 1.6 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 12417975-006 | Oshkosh Defense Llc (USA) |
| 12417975-006 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12417975-006 | Amz Alabama Inc. (USA) |
| 12417975-006 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| Reference | Meaning |
|---|---|
| 12417975-006 | 5/9 Secondary reference Oshkosh Corp |
| 12417975 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5310-01-374-6928 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 5310-01-374-6928 has 4 manufacturer part numbers on file: 12417975-006 (Oshkosh Defense Llc), 12417975-006 (U S Army Tank Automotive Command Amsta-Im-Mm), 12417975-006 (Amz Alabama Inc.), 12417975-006 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc).
9 possible matches (shared part number, not a government interchangeability claim): 5310-01-376-5302, 5310-01-460-8356, 5310-01-470-2365. Verify interchangeability with system specifications before substitution.
Key specifications for 12417975-006: Surface Treatment Document and Classification: DIN 267 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 18.0 MILLIMETERS NOMINAL MM; Material Document and Classification: DIN 9021 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; 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.