The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-050-3342, 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 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-050-3342 |
| Primary Part Number | 190201 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Chrysler Realty Company Llc Dba Daimler Chrysler |
| Status | ACTIVE |
| Width Across Flats | 0.438 INCHES NOMINAL IN |
| Thread Series | UNF |
| Material Document and Classification | QQ-B-611-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.313 INCHES NOMINAL IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | COPPER ALLOY 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 |
|---|---|
| 190201 PRIMARY | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| Reference | Meaning |
|---|---|
| BBSX4M | 5/9 Secondary reference CAGE 00000 |
| 503342 | 5/9 Secondary reference CAGE 00000 |
| 190201 | 5/9 Secondary reference General Motors Corp |
| 190201 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 5310-00-050-3342 is a Nut,self-Locking,hexagon, manufactured by Chrysler Realty Company Llc Dba Daimler Chrysler, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-050-3342 has 1 manufacturer part number on file: 190201 (Chrysler Realty Company Llc Dba Daimler Chrysler).
6 possible matches (shared part number, not a government interchangeability claim): 5845-00-437-3244, 1660-00-947-5173, 5961-00-990-3047. Verify interchangeability with system specifications before substitution.
Key specifications for 190201: Width Across Flats: 0.438 INCHES NOMINAL IN; Thread Series: UNF; Material Document and Classification: QQ-B-611-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 10 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.