The Nut,plain,round, cataloged under National Stock Number 5310-01-234-2573, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Thomas Instrument, Incorporated. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-234-2573 |
| Primary Part Number | 87101-01 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Thomas Instrument, Incorporated |
| Status | ACTIVE |
| Thread Series | UNEF |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | EMS 56627; FSCM 99193 MFR REF 1ST MATERIAL RESPONSE OR MIL-T-6736 MIL SPEC 2ND MATERIAL RESPONSE OR EMS 638,FSCM 99193 MFR REF 2ND MATERIAL RESPONSE OR AMS 6415 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.375 INCHES IN |
| Nut Diameter | 1.710 INCHES MINIMUM AND 1.720 INCHES MAXIMUM IN |
| Drive Point Depth | 0.090 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Nut Thickness | 0.290 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 4340 OR STEEL COMP 4130 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 |
|---|---|
| 87101-01 PRIMARY | Thomas Instrument, Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 367660-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-234-2573 is a Nut,plain,round, manufactured by Thomas Instrument, Incorporated, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-234-2573 has 1 manufacturer part number on file: 87101-01 (Thomas Instrument, Incorporated).
Key specifications for 87101-01: Thread Series: UNEF; Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM; Material Document and Classification: EMS 56627; FSCM 99193 MFR REF 1ST MATERIAL RESPONSE OR MIL-T-6736 MIL SPEC 2ND MATERIAL RESPONSE OR EMS 638,FSCM 99193 MFR REF 2ND MATERIAL RESPONSE OR AMS 6415 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OVERALL; Drive Point Width: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN. 14 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.