The Insert,screw Thread, cataloged under National Stock Number 5325-01-499-6313, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-499-6313 |
| Primary Part Number | KN524J-16 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Mounting Facility Diameter | 0.447 INCHES NOMINAL IN |
| Length | 0.430 INCHES NOMINAL IN |
| Mounting Method | COUNTERBORED HOLE |
| Thread Length | 0.430 INCHES NOMINAL IN |
| Insert Size | 7/16X14 |
| Style Designator | COIL |
| Material Document and Classification | CAGEC 29372 MFR REF 1ST MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.438 INCHES IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 14 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| KN524J-16 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
NSN 5325-01-499-6313 is a Insert,screw Thread, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-499-6313 has 1 manufacturer part number on file: KN524J-16 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for KN524J-16: Mounting Facility Diameter: 0.447 INCHES NOMINAL IN; Length: 0.430 INCHES NOMINAL IN; Mounting Method: COUNTERBORED HOLE; Thread Length: 0.430 INCHES NOMINAL IN. 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.