The Insert,screw Thread, cataloged under National Stock Number 5325-01-418-2274, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-418-2274 |
| Primary Part Number | 497A63406-1 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Mounting Facility Diameter | 1.500 INCHES NOMINAL IN |
| Mounting Method | THREADED HOLE(S) |
| Thread Length | 1.140 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-286 FORM 2, CONDITION ANNEALED AND AGE HARDENED FED SPEC SINGLE MATERIAL RESPONSE NUT |
| Features Provided | INTERNAL THREAD LOCKING |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.500 INCHES IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 12 |
| Material | NICKEL ALLOY NUT |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 497A63406-1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
NSN 5325-01-418-2274 is a Insert,screw Thread, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-418-2274 has 1 manufacturer part number on file: 497A63406-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 497A63406-1: Mounting Facility Diameter: 1.500 INCHES NOMINAL IN; Mounting Method: THREADED HOLE(S); Thread Length: 1.140 INCHES NOMINAL IN; Material Document and Classification: QQ-N-286 FORM 2, CONDITION ANNEALED AND AGE HARDENED FED SPEC SINGLE MATERIAL RESPONSE NUT. 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.