The Insert,screw Thread, cataloged under National Stock Number 5325-01-618-1200, 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 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 | 5325-01-618-1200 |
| Primary Part Number | 2235-25 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Witten Company Inc Dba Witten Co Inc |
| Status | ACTIVE |
| Mounting Facility Diameter | 0.531 INCHES MINIMUM AND 0.537 INCHES MAXIMUM IN |
| Length | 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Insert Size | 0.312-18 UNC-3B |
| Style Designator | BLIND |
| Material Document and Classification | ASTM-A-108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 1008 OR STEEL COMP 1010 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 |
|---|---|
| 2235-25 PRIMARY | Witten Company Inc Dba Witten Co Inc (USA) |
NSN 5325-01-618-1200 is a Insert,screw Thread, manufactured by Witten Company Inc Dba Witten Co Inc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-618-1200 has 1 manufacturer part number on file: 2235-25 (Witten Company Inc Dba Witten Co Inc).
Key specifications for 2235-25: Mounting Facility Diameter: 0.531 INCHES MINIMUM AND 0.537 INCHES MAXIMUM IN; Length: 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Insert Size: 0.312-18 UNC-3B. 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.