The Nut,plain,barrel, cataloged under National Stock Number 5310-01-169-5566, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-169-5566 |
| Primary Part Number | 75A603520-2003 |
| Item Name | Nut,plain,barrel |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Nut Length | 0.600 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | PS13101,TY 2,CL 3,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL EXCEPT THREADS |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Material Document and Classification | QQ-S-763,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | LEFT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Nut Diameter | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL EXCEPT THREADS |
| Nut Style | PLAIN BARREL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 304 OVERALL |
| Distance From Centerline of Threaded Hole to End of Nut | 0.300 INCHES NOMINAL IN |
| 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 |
|---|---|
| 75A603520-2003 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 75A603520-2003A | 5/9 Secondary reference Pioneer Machine Products Inc. |
NSN 5310-01-169-5566 is a Nut,plain,barrel, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-169-5566 has 1 manufacturer part number on file: 75A603520-2003 (The Boeing Company Div Defense).
Key specifications for 75A603520-2003: Nut Length: 0.600 INCHES NOMINAL IN; Surface Treatment Document and Classification: PS13101,TY 2,CL 3,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL EXCEPT THREADS; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Material Document and Classification: QQ-S-763,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.