The Nut,sleeve, cataloged under National Stock Number 5310-00-331-6901, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-331-6901 |
| Primary Part Number | 71478 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Flange Width Across Flats | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN |
| Nut Length | 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Flange Thickness | 0.290 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN |
| Thread Series | UN |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| Thread Pitch Diameters | +0.9487 TO 0.9521 INCHES IN |
| Material Document and Classification | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.190 INCHES MINIMUM AND 0.215 INCHES MAXIMUM NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.000 INCHES IN |
| Nut Diameter | 1.180 INCHES MINIMUM AND 1.200 INCHES MAXIMUM IN |
| Counterbore Diameter | 1.250 INCHES MINIMUM AND 1.255 INCHES MAXIMUM NUT IN |
| Cross-Sectional Shape | HEXAGONAL FLANGE |
| Cross-Sectional Shape | ROUND NUT |
| Nut Style | SLEEVE |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 4130 OR STEEL COMP 4340 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 |
|---|---|
| 71478 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 71478 | 5/2 Secondary reference U.S. Government activity |
| 71478 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 5310-00-331-6901 is a Nut,sleeve, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-331-6901 has 1 manufacturer part number on file: 71478 (Honeywell International Inc. Div Aerospace - Torrance).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-219-3156. Verify interchangeability with system specifications before substitution.
Key specifications for 71478: Flange Width Across Flats: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN; Nut Length: 0.340 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN; Flange Thickness: 0.290 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN; Thread Series: UN. 17 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.