The Nut,sleeve, cataloged under National Stock Number 5310-01-040-4737, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Aimtron Systems, Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-040-4737 |
| Primary Part Number | 504857 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Aimtron Systems, Llc |
| Status | ACTIVE |
| Nut Length | 0.118 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Nut Width Across Flats | 0.625 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Boss Thickness | 0.095 INCHES MINIMUM AND 0.102 INCHES MAXIMUM OVERALL IN |
| Cross-Sectional Shape | HEXAGONAL FLANGE |
| Cross-Sectional Shape | ROUND NUT |
| Boss Diameter | 0.490 INCHES MINIMUM AND 0.495 INCHES MAXIMUM OVERALL IN |
| Surface Treatment | OXIDE OVERALL |
| Countersink Angle | 90.0 DEGREES NOMINAL NUT |
| Thread Class | 2B |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| 504857 PRIMARY | Aimtron Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 504857 | 5/9 Secondary reference Cardion Inc |
NSN 5310-01-040-4737 is a Nut,sleeve, manufactured by Aimtron Systems, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-040-4737 has 1 manufacturer part number on file: 504857 (Aimtron Systems, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4110-01-464-0306. Verify interchangeability with system specifications before substitution.
Key specifications for 504857: Nut Length: 0.118 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN; Thread Series: UNF; Nut Width Across Flats: 0.625 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 13 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.