The Nut,plain,round, cataloged under National Stock Number 5310-01-132-5306, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-132-5306 |
| Primary Part Number | 1B48159-1 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Surface Treatment Document and Classification | PS13201,TY 2,CL 1,FSCM 18355 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT (UNJ) |
| Hole Configuration Style | CONFIGURATION F |
| Material Document and Classification | QQ-A-225/9,T7351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.687 INCHES IN |
| Nut Diameter | 1.875 INCHES NOMINAL IN |
| Nut Thickness | 0.450 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.248 INCHES MINIMUM AND 0.257 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE AND DICHROMATE OVERALL |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Hole Type and Quantity | 4 DRILLED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-132-5306 is a Nut,plain,round, manufactured by The Boeing Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-132-5306 has 2 manufacturer part numbers on file: 1B48159-1 (The Boeing Company), 1B48159-1 (The Boeing Company Div Services).
Key specifications for 1B48159-1: Surface Treatment Document and Classification: PS13201,TY 2,CL 1,FSCM 18355 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL JOINT (UNJ); Hole Configuration Style: CONFIGURATION F; Material Document and Classification: QQ-A-225/9,T7351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 15 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.