The Nut,sleeve, cataloged under National Stock Number 5310-01-135-1660, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Martin-Baker Aircraft Company Limited. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-135-1660 |
| Primary Part Number | MBEU-66530 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Martin-Baker Aircraft Company Limited |
| Status | ACTIVE |
| Hole Thread Quantity Per Inch | 40 |
| Surface Treatment Document and Classification | PS302 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | WHITWORTH |
| Hole Configuration Style | CONFIGURATION F |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.562 INCHES IN |
| Nut Diameter | 0.950 INCHES NOMINAL IN |
| Boss Thickness | 0.522 INCHES MINIMUM AND 0.524 INCHES MAXIMUM OVERALL IN |
| Cross-Sectional Shape | ROUND OVERALL |
| Boss Diameter | 0.665 INCHES MINIMUM AND 0.668 INCHES MAXIMUM OVERALL IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | SLEEVE |
| Hole Nominal Thread Diameter | 0.112 INCHES IN |
| Thread Quantity Per Inch | 26 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Type and Quantity | 2 TAPPED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| MBEU-66530 PRIMARY | Martin-Baker Aircraft Company Limited (GBR) |
NSN 5310-01-135-1660 is a Nut,sleeve, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-135-1660 has 1 manufacturer part number on file: MBEU-66530 (Martin-Baker Aircraft Company Limited).
Key specifications for MBEU-66530: Hole Thread Quantity Per Inch: 40; Surface Treatment Document and Classification: PS302 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Series: WHITWORTH; Hole Configuration Style: CONFIGURATION F. 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.