The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-495-9523, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Crane Carrier Company, Llc. Government technical data includes 11 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-495-9523 |
| Primary Part Number | 219-70 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Crane Carrier Company, Llc |
| Status | ACTIVE |
| Width Across Flats | 2.171 INCHES NOMINAL IN |
| Thread Series | UNS |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.250 INCHES IN |
| Nut Height | 1.391 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 12 |
| Material | STEEL OVERALL EXCEPT INSERT |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 219-70 PRIMARY | Crane Carrier Company, Llc (USA) |
| CF-41HE-202 | Lrg Fastener Corporation Dba Continental-Aero (USA) |
NSN 5310-01-495-9523 is a Nut,plain,hexagon, manufactured by Crane Carrier Company, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-495-9523 has 2 manufacturer part numbers on file: 219-70 (Crane Carrier Company, Llc), CF-41HE-202 (Lrg Fastener Corporation Dba Continental-Aero).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-595-5470, 7530-01-626-9393. Verify interchangeability with system specifications before substitution.
Key specifications for 219-70: Width Across Flats: 2.171 INCHES NOMINAL IN; Thread Series: UNS; Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.250 INCHES IN. 11 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.