The Insert,screw Thread, cataloged under National Stock Number 5325-01-665-9581, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Witten Company Inc Dba Witten Co Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-665-9581 |
| Primary Part Number | 151-524-16-SS-2 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Witten Company Inc Dba Witten Co Inc |
| Status | ACTIVE |
| Flange Diameter | 0.583 INCHES NOMINAL IN |
| Length | 1.00 INCHES NOMINAL IN |
| Style Designator | FLANGE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3125 INCHES IN |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 151-524-16-SS-2 PRIMARY | Witten Company Inc Dba Witten Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 08020F0193 | 7/2 Vendor item drawing reference Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
NSN 5325-01-665-9581 is a Insert,screw Thread, manufactured by Witten Company Inc Dba Witten Co Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-665-9581 has 1 manufacturer part number on file: 151-524-16-SS-2 (Witten Company Inc Dba Witten Co Inc).
Key specifications for 151-524-16-SS-2: Flange Diameter: 0.583 INCHES NOMINAL IN; Length: 1.00 INCHES NOMINAL IN; Style Designator: FLANGE; Thread Direction: RIGHT-HAND. 8 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.