The Nut,sleeve, cataloged under National Stock Number 5310-00-070-6879, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Satair A/s. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-070-6879 |
| Primary Part Number | 74646 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Satair A/s |
| Status | ACTIVE |
| Flange Width Across Flats | 0.560 INCHES NOMINAL IN |
| Nut Length | 0.135 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ILYC 101,FSCM 80254 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Flange Thickness | 0.340 INCHES NOMINAL IN |
| Thread Series | UNF |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS 6415 ASSN STD 1ST MATERIAL RESPONSE OR AMS AMS 6320 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6322 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Diameter | 0.420 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN |
| Cross-Sectional Shape | HEXAGONAL FLANGE |
| Cross-Sectional Shape | ROUND NUT |
| Surface Treatment | COPPER ALLOY OVERALL |
| Countersink Angle | 90.0 DEGREES NOMINAL NUT |
| Nut Style | SLEEVE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 4340 OR STEEL COMP 8735 OR STEEL COMP 8740 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 |
|---|---|
| 74646 | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| 74646 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-070-6879 is a Nut,sleeve, manufactured by Satair A/s, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-070-6879 has 1 manufacturer part number on file: 74646 (Satair A/s).
1 possible match (shared part number, not a government interchangeability claim): 5815-00-125-5230. Verify interchangeability with system specifications before substitution.
Key specifications for 74646: Flange Width Across Flats: 0.560 INCHES NOMINAL IN; Nut Length: 0.135 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ILYC 101,FSCM 80254 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Flange Thickness: 0.340 INCHES NOMINAL IN. 18 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.