The Nut,sleeve, cataloged under National Stock Number 5310-01-265-6394, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Nagele Instrument and Tool Co Inc. Government technical data includes 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-265-6394 |
| Primary Part Number | 123BM10066-1 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Nagele Instrument and Tool Co Inc |
| Status | ACTIVE |
| Flange Width Across Flats | 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Nut Length | 0.623 INCHES NOMINAL IN |
| Flange Thickness | 0.187 INCHES NOMINAL IN |
| Thread Series | UNF |
| Hole Configuration Style | CONFIGURATION A |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.285 INCHES MINIMUM AND 0.315 INCHES MAXIMUM FLANGE IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Nut Diameter | 0.296 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN |
| Counterbore Diameter | 0.190 INCHES MINIMUM AND 0.194 INCHES MAXIMUM FLANGE IN |
| Cross-Sectional Shape | HEXAGONAL FLANGE |
| Cross-Sectional Shape | ROUND BOSS |
| Drilled Hole Diameter | 0.066 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Countersink Angle | 60.0 DEGREES NOMINAL BOSS |
| Countersink Angle | 60.0 DEGREES NOMINAL FLANGE |
| Nut Style | SLEEVE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 4130 OVERALL |
| Hole Type and Quantity | 4 DRILLED |
| 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 |
|---|---|
| 123BM10066-1 PRIMARY | Nagele Instrument and Tool Co Inc (USA) |
| 123BM10066-1 | B & B Precision Components Inc. Dba B & B Precision Components (USA) |
| Reference | Meaning |
|---|---|
| 123BM10066-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 123BM10066-1 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
NSN 5310-01-265-6394 is a Nut,sleeve, manufactured by Nagele Instrument and Tool Co Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-265-6394 has 2 manufacturer part numbers on file: 123BM10066-1 (Nagele Instrument and Tool Co Inc), 123BM10066-1 (B & B Precision Components Inc. Dba B & B Precision Components).
Key specifications for 123BM10066-1: Flange Width Across Flats: 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN; Nut Length: 0.623 INCHES NOMINAL IN; Flange Thickness: 0.187 INCHES NOMINAL IN; Thread Series: UNF. 22 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.