The Washer,flat, cataloged under National Stock Number 5310-01-522-0290, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-522-0290 |
| Primary Part Number | 12422652-003 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Overall Diameter | 49.6 MILLIMETERS NOMINAL MM |
| Cross-Sectional Shape Style | BLANK RECTANGULAR |
| Color | NATURAL OVERALL |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC NYLON OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 38.1 MILLIMETERS NOMINAL MM |
| Thickness | 0.813 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 |
|---|---|
| 12422652-003 | Amz Alabama Inc. (USA) |
| 12422652-003 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 12422652-003 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12422652 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5310-01-522-0290 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 5310-01-522-0290 has 3 manufacturer part numbers on file: 12422652-003 (Amz Alabama Inc.), 12422652-003 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12422652-003 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12422652-003: Overall Diameter: 49.6 MILLIMETERS NOMINAL MM; Cross-Sectional Shape Style: BLANK RECTANGULAR; Color: NATURAL OVERALL; Special Features: METRIC. 8 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.