The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-01-671-2002, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-671-2002 |
| Primary Part Number | 12606066-001 |
| Item Name | Nut,plain,extended Washer,hexago |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Washer Outside Diameter | 14.2 MILLIMETERS NOMINAL MM |
| Width Across Flats | 9.78 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM MM |
| Thread Series | M |
| Thread Pitch in Millimeters | 1.5 |
| Washer Thickness | 6.0 MILLIMETERS NOMINAL MM |
| Material Document and Classification | ASTM F568M ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.00 MILLIMETERS MM |
| Nut Style | HEXAGON |
| Thread Class | 6G G |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 12606066-001 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 12606066-001 | Oshkosh Defense Llc (USA) |
NSN 5310-01-671-2002 is a Nut,plain,extended Washer,hexago, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-671-2002 has 2 manufacturer part numbers on file: 12606066-001 (U S Army Tank Automotive Command Amsta-Im-Mm), 12606066-001 (Oshkosh Defense Llc).
Key specifications for 12606066-001: Overall Height: 6.0 MILLIMETERS NOMINAL MM; Washer Outside Diameter: 14.2 MILLIMETERS NOMINAL MM; Width Across Flats: 9.78 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM MM; Thread Series: M. 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.