The Nut,self-Locking,cone Seat,hexag, cataloged under National Stock Number 5310-01-063-5844, 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 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-063-5844 |
| Primary Part Number | 12273113 |
| Item Name | Nut,self-Locking,cone Seat,hexag |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Width Across Flats | 29.0 MILLIMETERS MINIMUM AND 30.0 MILLIMETERS MAXIMUM MM |
| Thread Series | M |
| Thread Pitch in Millimeters | 2.50 |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 20.0 MILLIMETERS MM |
| Cone Seat Angle | 90.0 DEGREES NOMINAL |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 17.4 MILLIMETERS MINIMUM AND 19.0 MILLIMETERS MAXIMUM MM |
| Nut Style | CONE SEAT, HEXAGON |
| Thread Class | 6H |
| 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 |
|---|---|
| 12273113 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| IL-3289 | Lamson and Sessions Co the (USA) |
| XM67020 | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| Reference | Meaning |
|---|---|
| T740R | 5/9 Secondary reference U.S. Government activity |
| SN-1055GB | 3/9 Design control — primary reference R B and W Corp |
NSN 5310-01-063-5844 is a Nut,self-Locking,cone Seat,hexag, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-063-5844 has 3 manufacturer part numbers on file: 12273113 (U S Army Tank Automotive Command Amsta-Im-Mm), IL-3289 (Lamson and Sessions Co the), XM67020 (Chrysler Realty Company Llc Dba Daimler Chrysler).
Key specifications for 12273113: Width Across Flats: 29.0 MILLIMETERS MINIMUM AND 30.0 MILLIMETERS MAXIMUM MM; Thread Series: M; Thread Pitch in Millimeters: 2.50; Thread Direction: RIGHT-HAND. 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.