The Nut,plain,square, cataloged under National Stock Number 5310-00-012-0374, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Chrysler Realty Company Llc Dba Daimler Chrysler. 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-012-0374 |
| Primary Part Number | 120374 |
| Item Name | Nut,plain,square |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Chrysler Realty Company Llc Dba Daimler Chrysler |
| Status | ACTIVE |
| Width Across Flats | 0.606 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Height | 0.310 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Nut Style | SQUARE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Bearing Surface Type | 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 |
|---|---|
| 120374 PRIMARY | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| SN38 PRIMARY | American Trailers Inc (USA) |
| 54424 PRIMARY | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| 120374 | 5/9 Secondary reference General Motors Corp |
| FFB571TYPEB1CLASSC | 4/1 Identification reference U.S. Government activity |
| 120374 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| SN38 | 5/9 Secondary reference U.S. Government activity |
| SN38 | 3/2 Design control — primary reference U.S. Government activity |
| BBNX1C1 | 5/9 Secondary reference CAGE 00000 |
NSN 5310-00-012-0374 is a Nut,plain,square, manufactured by Chrysler Realty Company Llc Dba Daimler Chrysler, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-012-0374 has 3 manufacturer part numbers on file: 120374 (Chrysler Realty Company Llc Dba Daimler Chrysler), SN38 (American Trailers Inc), 54424 (Am General Llc).
4 possible matches (shared part number, not a government interchangeability claim): 4610-00-457-0278, 3020-00-467-3624, 5970-01-096-0798. Verify interchangeability with system specifications before substitution.
Key specifications for 120374: Width Across Flats: 0.606 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.375 INCHES IN. 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.