The Nut,sleeve, cataloged under National Stock Number 5310-00-712-4187, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-712-4187 |
| Primary Part Number | 7124187 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Flange Width Across Flats | 1.615 INCHES NOMINAL IN |
| Nut Length | 2.000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | 171,3.3.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Flange Thickness | 0.810 INCHES NOMINAL IN |
| Thread Series | UNF |
| Material Document and Classification | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.500 INCHES NOMINAL SECOND END IN |
| Nut Counterbore Depth | 0.380 INCHES NOMINAL FIRST END IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.125 INCHES IN |
| Nut Diameter | 1.720 INCHES NOMINAL IN |
| Counterbore Diameter | 1.250 INCHES NOMINAL SECOND END IN |
| Counterbore Diameter | 1.250 INCHES NOMINAL FIRST END IN |
| Cross-Sectional Shape | ROUND FLANGE |
| Cross-Sectional Shape | HEXAGONAL NUT |
| Surface Treatment | OXIDE OVERALL |
| Nut Style | SLEEVE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 1145 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 |
|---|---|
| 7124187 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 7124187 | 5/9 Secondary reference Army, United States Department of the Dba Rock Island Arsenal Jmtc |
NSN 5310-00-712-4187 is a Nut,sleeve, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-712-4187 has 1 manufacturer part number on file: 7124187 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 7124187: Flange Width Across Flats: 1.615 INCHES NOMINAL IN; Nut Length: 2.000 INCHES NOMINAL IN; Surface Treatment Document and Classification: 171,3.3.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL; Flange Thickness: 0.810 INCHES NOMINAL IN. 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.