The Nut,sheet Spring, cataloged under National Stock Number 5310-01-154-3989, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Am General Llc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-154-3989 |
| Primary Part Number | G445491 |
| Item Name | Nut,sheet Spring |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Am General Llc |
| Status | ACTIVE |
| Nut Width | 0.500 INCHES NOMINAL IN |
| Nut Length | 0.760 INCHES NOMINAL IN |
| Material Thickness | 0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN |
| Panel Thickness | 0.080 INCHES NOMINAL IN |
| Mating Member Diameter Accommodated | 0.190 INCHES NOMINAL IN |
| Nut Style | SHEET SPRING |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| G445491 PRIMARY | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| C8123-10-1 | 5/9 Secondary reference Tinnerman Palnut Engineered Products, Inc. |
| 445491 | 5/9 Secondary reference General Motors Corp |
| 445491 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 5310-01-154-3989 is a Nut,sheet Spring, manufactured by Am General Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-154-3989 has 1 manufacturer part number on file: G445491 (Am General Llc).
Key specifications for G445491: Nut Width: 0.500 INCHES NOMINAL IN; Nut Length: 0.760 INCHES NOMINAL IN; Material Thickness: 0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN; Panel Thickness: 0.080 INCHES NOMINAL IN. 7 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.