The Insert,screw Thread, cataloged under National Stock Number 5325-01-558-2120, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Curt Manufacturing Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 — Fastening Devices (FSG 53) |
| Manufacturers | Curt Manufacturing Llc (CAGE 30226) |
| Parameter | Value |
|---|---|
| NSN | 5325-01-558-2120 |
| Primary Part Number | 613001 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Curt Manufacturing Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 613001 PRIMARY | Curt Manufacturing Llc (USA) |
| Reference | Meaning |
|---|---|
| 10KP328 | 5/9 Secondary reference Oshkosh Corp |
| 4072576 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
| 10KP328 | 5/9 Secondary reference Oshkosh Defense Llc |
NSN 5325-01-558-2120 is a Insert,screw Thread, manufactured by Curt Manufacturing Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-558-2120 has 1 manufacturer part number on file: 613001 (Curt Manufacturing Llc).
1 possible match (shared part number, not a government interchangeability claim): 2610-01-612-7026. Verify interchangeability with system specifications before substitution.
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.