The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-012-4829, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-012-4829 |
| Primary Part Number | 9B9146 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Width Across Flats | 0.562 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nondefinitive Spec/std Data | A TYPE |
| Nut Height | 0.218 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| 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 |
|---|---|
| 21002C | Satair A/s (DNK) |
| 9B9146 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 124829 PRIMARY | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| 21002C | Falls Filtration Technologies, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 124829 | 5/9 Secondary reference General Motors Corp |
| 124829 | 5/9 Secondary reference U.S. Government activity |
| 224744 | 5/9 Secondary reference Brockway Motor Trucks Div of Mack Trucks Inc |
| 124829 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| FFB571TYPEA | 4/1 Identification reference U.S. Government activity |
| 33924S7 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 124829 | 5/9 Secondary reference Diamond Reo Truck Co |
NSN 5310-00-012-4829 is a Nut,plain,hexagon, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-012-4829 has 4 manufacturer part numbers on file: 21002C (Satair A/s), 9B9146 (Caterpillar Inc Div Caterpillar Defense), 124829 (Chrysler Realty Company Llc Dba Daimler Chrysler), 21002C (Falls Filtration Technologies, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 6515-01-272-4523, 5310-01-556-4509, 4820-01-733-8593. Verify interchangeability with system specifications before substitution.
Key specifications for 9B9146: Width Across Flats: 0.562 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 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.