The Nut,sleeve, cataloged under National Stock Number 5310-01-143-6558, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Unicorp.. Government technical data includes 20 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-143-6558 |
| Primary Part Number | 42R04M07F05 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Unicorp. |
| Status | ACTIVE |
| Nut Length | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | ASTM A581 COND A ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A582 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.067 INCHES MAXIMUM NUT IN |
| Nut Counterbore Depth | 0.271 INCHES MINIMUM AND 0.286 INCHES MAXIMUM BOSS IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Nut Diameter | 0.278 INCHES MINIMUM AND 0.284 INCHES MAXIMUM IN |
| Counterbore Diameter | 0.190 INCHES MAXIMUM BOSS IN |
| Counterbore Diameter | 0.192 INCHES MINIMUM AND 0.197 INCHES MAXIMUM NUT IN |
| Boss Thickness | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM OVERALL IN |
| Cross-Sectional Shape | ROUND NUT |
| Cross-Sectional Shape | ROUND BOSS |
| Boss Diameter | 0.247 INCHES MINIMUM AND 0.250 INCHES MAXIMUM OVERALL IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | SLEEVE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 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 |
|---|---|
| 42R04M07F05 PRIMARY | Unicorp. (USA) |
NSN 5310-01-143-6558 is a Nut,sleeve, manufactured by Unicorp., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-143-6558 has 1 manufacturer part number on file: 42R04M07F05 (Unicorp.).
Key specifications for 42R04M07F05: Nut Length: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: ASTM A581 COND A ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A582 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 20 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.