The Nut,plain,round, cataloged under National Stock Number 5310-01-116-7392, 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 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-116-7392 |
| Primary Part Number | 1B48026-1 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Treatment Document and Classification | PS13101,FSCM 18355 MFR REF ALL TREATMENT RESPONSES OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT (UNJ) |
| Hole Configuration Style | CONFIGURATION J |
| Material Document and Classification | MIL-T-6736,COND N MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.190 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 3.125 INCHES IN |
| Nut Diameter | 3.617 INCHES MINIMUM AND 3.633 INCHES MAXIMUM IN |
| Drive Point Depth | 0.128 INCHES NOMINAL IN |
| Nut Thickness | 0.312 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Countersink Angle | 89.75 DEGREES MINIMUM AND 90.25 DEGREES MAXIMUM BOTH ENDS |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 4130 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 | F |
| Part Number | Manufacturer |
|---|---|
| 1B48026-1 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10109304 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 1B48026-1 | 5/9 Secondary reference The Boeing Company |
| 1B48026-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-116-7392 is a Nut,plain,round, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-116-7392 has 1 manufacturer part number on file: 1B48026-1 (The Boeing Company Div Defense).
Key specifications for 1B48026-1: Surface Treatment Document and Classification: PS13101,FSCM 18355 MFR REF ALL TREATMENT RESPONSES OVERALL; Thread Series: UNIFIED NATIONAL JOINT (UNJ); Hole Configuration Style: CONFIGURATION J; Material Document and Classification: MIL-T-6736,COND N MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 19 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.