The Nut,sleeve, cataloged under National Stock Number 5310-01-366-6344, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-366-6344 |
| Primary Part Number | 537AS477-2 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Nut Length | 0.106 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Nut Width Across Flats | 0.250 INCHES NOMINAL IN |
| Hardness Rating | 80.0 ROCKWELL B MAXIMUM |
| Material Document and Classification | ASTM A108 ASSN STD 1ST MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.170 INCHES MINIMUM AND 0.200 INCHES MAXIMUM FIRST END IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Counterbore Diameter | 0.115 INCHES MINIMUM AND 0.121 INCHES MAXIMUM FIRST END IN |
| Boss Thickness | 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM SECOND END IN |
| Boss Thickness | 0.132 INCHES MINIMUM AND 0.138 INCHES MAXIMUM FIRST END IN |
| Cross-Sectional Shape | HEXAGONAL OVERALL |
| Boss Diameter | 0.151 INCHES MINIMUM AND 0.154 INCHES MAXIMUM FIRST END IN |
| Boss Diameter | 0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM SECOND END IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nut Style | SLEEVE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 1117 OR STEEL COMP 11L17 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 |
|---|---|
| 537AS477-2 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 537AS477-2 | General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA) |
NSN 5310-01-366-6344 is a Nut,sleeve, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-366-6344 has 2 manufacturer part numbers on file: 537AS477-2 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 537AS477-2 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).
Key specifications for 537AS477-2: Nut Length: 0.106 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Nut Width Across Flats: 0.250 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.