The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-381-9819, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is International Organization for Standardization (iso). Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-381-9819 |
| Primary Part Number | ISO7044-VM6X18-A2D |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | International Organization for Standardization (iso) |
| Status | ACTIVE |
| Washer Outside Diameter | 14.2 MILLIMETERS MAXIMUM MM |
| Width Across Flats | 9.78 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM MM |
| Thread Tolerance Class | 6H INTERNAL |
| Thread Series | ISO M |
| Thread Pitch in Millimeters | 1.00 |
| Washer Thickness | 1.1 MILLIMETERS NOMINAL MM |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 6.0 MILLIMETERS MM |
| Specification/standard Data | 05047-ASME Y14.100-2004 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 05047-ASME Y14.5-2009 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | ZINC OVERALL |
| Nut Style | HEXAGON |
| 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 |
|---|---|
| 12414308-002 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| ISO7044-VM6X18-A2D PRIMARY | International Organization for Standardization (iso) (CHE) |
| DIN6927VM6X18-A2D | Din Deutsches Institut Fur Normung Ev (DEU) |
| 12414308-002 | Amz Alabama Inc. (USA) |
| 12414308-002 | Oshkosh Defense Llc (USA) |
| 12414308-002 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12414308 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 12414308-002 | 5/9 Secondary reference Oshkosh Corp |
NSN 5310-01-381-9819 is a Nut,self-Locking,extended Washer, manufactured by International Organization for Standardization (iso), classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-381-9819 has 6 manufacturer part numbers on file: 12414308-002 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), ISO7044-VM6X18-A2D (International Organization for Standardization (iso)), DIN6927VM6X18-A2D (Din Deutsches Institut Fur Normung Ev), 12414308-002 (Amz Alabama Inc.), 12414308-002 (Oshkosh Defense Llc) and 1 more.
6 possible matches (shared part number, not a government interchangeability claim): 5310-01-381-9830, 5310-01-381-9849, 5310-01-417-1262. Verify interchangeability with system specifications before substitution.
Key specifications for ISO7044-VM6X18-A2D: Overall Height: 5.7 MILLIMETERS NOMINAL MM; Washer Outside Diameter: 14.2 MILLIMETERS MAXIMUM MM; Width Across Flats: 9.78 MILLIMETERS MINIMUM AND 10.00 MILLIMETERS MAXIMUM MM; Thread Tolerance Class: 6H INTERNAL. 13 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.