The Nut,sleeve, cataloged under National Stock Number 5310-01-186-1252, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Manassas. Government technical data includes 17 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 | 5310-01-186-1252 |
| Primary Part Number | 2867949-1 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lockheed Martin Corporation Div Rms - Manassas |
| Status | ACTIVE |
| Flange Diameter | 0.445 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN |
| Nut Length | 0.520 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35,TY 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Thickness | 0.100 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | ASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.060 INCHES NOMINAL BOSS IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Diameter | 0.310 INCHES NOMINAL IN |
| Counterbore Diameter | 0.261 INCHES NOMINAL BOSS IN |
| Cross-Sectional Shape | ROUND OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | SLEEVE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| 2867949-1 PRIMARY | Lockheed Martin Corporation Div Rms - Manassas (USA) |
NSN 5310-01-186-1252 is a Nut,sleeve, manufactured by Lockheed Martin Corporation Div Rms - Manassas, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-186-1252 has 1 manufacturer part number on file: 2867949-1 (Lockheed Martin Corporation Div Rms - Manassas).
Key specifications for 2867949-1: Flange Diameter: 0.445 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN; Nut Length: 0.520 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35,TY 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Flange Thickness: 0.100 INCHES NOMINAL IN. 17 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.