The Insert,screw Thread, cataloged under National Stock Number 5325-01-353-2298, 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 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-01-353-2298 |
| Primary Part Number | K52320-4 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Length | 0.310 INCHES NOMINAL IN |
| Style Designator | GROOVED KEYLOCK |
| 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 |
|---|---|
| K52320-4 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| TR24413-4 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 423-557-9002 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5325-01-353-2298 is a Insert,screw Thread, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-353-2298 has 2 manufacturer part numbers on file: K52320-4 (Howmet Global Fastening Systems Inc. Div Tridair Products), TR24413-4 (Howmet Global Fastening Systems Inc. Div Tridair Products).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-476-9829. Verify interchangeability with system specifications before substitution.
Key specifications for K52320-4: Length: 0.310 INCHES NOMINAL IN; Style Designator: GROOVED KEYLOCK; Special Features: FINISH FOR ITEM IS DRY FILM LUBRICANT,FINISH FOR KEYS IS BARE OR DRY FILM LUBE(@MFR'S OPTION); THERE ARE 4 KEYS,WIDTH 0.052 TO 0.060 IN.,KEY MATERIAL INCO 718 PER AMS 5662 OR INCO 7504 PER AMS 5698,LOCKING ELEMENT IS DUPONT POLYMER VESPEL;USED ON PACER DAWN IN. 2 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.