The Nut,sleeve, cataloged under National Stock Number 5310-01-493-6038, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Defense Systems Sector. Government technical data includes 12 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 | 5310-01-493-6038 |
| Primary Part Number | 881290-1 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Defense Systems Sector |
| Status | ACTIVE |
| Flange Width Across Flats | 1.250 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN |
| Nut Length | 0.484 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN |
| Flange Thickness | 0.168 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Nut Diameter | 0.729 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN |
| Cross-Sectional Shape | HEXAGONAL NUT |
| Nut Style | SLEEVE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | STEEL 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 |
|---|---|
| 881290-1 PRIMARY | Northrop Grumman Systems Corporation Dba Defense Systems Sector (USA) |
NSN 5310-01-493-6038 is a Nut,sleeve, manufactured by Northrop Grumman Systems Corporation Dba Defense Systems Sector, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-493-6038 has 1 manufacturer part number on file: 881290-1 (Northrop Grumman Systems Corporation Dba Defense Systems Sector).
Key specifications for 881290-1: Flange Width Across Flats: 1.250 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN; Nut Length: 0.484 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN; Flange Thickness: 0.168 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC). 12 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.