The Nut,plain,round, cataloged under National Stock Number 5310-01-143-9702, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-143-9702 |
| Primary Part Number | 65122-11369-101 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Thread Series | UNJS |
| Precious Material | SILVER |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.500 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 7.312 INCHES IN |
| Nut Diameter | 7.297 INCHES MINIMUM AND 7.312 INCHES MAXIMUM IN |
| Drive Point Depth | 0.375 INCHES NOMINAL IN |
| Undercut Thickness | 0.312 INCHES NOMINAL IN |
| Nut Thickness | 1.687 INCHES NOMINAL IN |
| Small End Diameter | 7.125 INCHES NOMINAL IN |
| Surface Treatment | SILVER THREADS |
| Drive Point Quantity | 15 |
| Nut Style | ROUND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 8 |
| Material | STEEL COMP 4340 OVERALL |
| 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 |
|---|---|
| 65122-11369-101 | Mcmellon Bros., Incorporated Dba Mc Mellon Brothers Inc (USA) |
| 65122-11369-101 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 65122-11369-101 | Airtronics, Llc (USA) |
| Reference | Meaning |
|---|---|
| 65122-11369-101 | 5/9 Secondary reference B. & R. Machine & Tool Corp |
| 65122-11369-101 | 5/1 Secondary reference Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co |
NSN 5310-01-143-9702 is a Nut,plain,round, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-143-9702 has 3 manufacturer part numbers on file: 65122-11369-101 (Mcmellon Bros., Incorporated Dba Mc Mellon Brothers Inc), 65122-11369-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 65122-11369-101 (Airtronics, Llc).
Key specifications for 65122-11369-101: Thread Series: UNJS; Precious Material: SILVER; Hardness Rating: 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM; Material Document and Classification: AMS6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 18 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.