The Nut,sleeve, cataloged under National Stock Number 5310-01-317-0476, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Support Services Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-317-0476 |
| Primary Part Number | 127B178H01 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Support Services Corp |
| Status | ACTIVE |
| Flange Width Across Flats | 2.180 INCHES NOMINAL IN |
| Nut Length | 0.438 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Thickness | 0.182 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | ASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.625 INCHES IN |
| Nut Diameter | 1.000 INCHES NOMINAL IN |
| Cross-Sectional Shape | ROUND FIRST END |
| Cross-Sectional Shape | HEXAGONAL SECOND END |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | SLEEVE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 11 |
| 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 |
|---|---|
| 127B178H01 PRIMARY | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 127B178H01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5310-01-317-0476 is a Nut,sleeve, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-317-0476 has 1 manufacturer part number on file: 127B178H01 (Northrop Grumman Support Services Corp).
Key specifications for 127B178H01: Flange Width Across Flats: 2.180 INCHES NOMINAL IN; Nut Length: 0.438 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Flange Thickness: 0.182 INCHES NOMINAL IN. 16 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.