The Insert,screw Thread, cataloged under National Stock Number 5325-01-191-3579, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-191-3579 |
| Primary Part Number | 16101672 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Flange Diameter | 0.688 INCHES NOMINAL IN |
| Length | 1.500 INCHES NOMINAL IN |
| Flange Thickness | 0.125 INCHES NOMINAL IN |
| Insert Size | 0.5005 IN. MIN AND 0.5020 IN. MAX DIA IN |
| Style Designator | FLANGE |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.312 INCHES IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 1117 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 |
|---|---|
| 16101672 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| 3195686REVA | 5/9 Secondary reference U.S. Government activity |
| 3195686REVA | 5/9 Secondary reference U.S. Government activity |
| NAFB1608B | 3/9 Design control — primary reference U.S. Government activity |
| 16101672 | 5/9 Secondary reference U.S. Government activity |
NSN 5325-01-191-3579 is a Insert,screw Thread, manufactured by Fairbanks Morse, Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-191-3579 has 1 manufacturer part number on file: 16101672 (Fairbanks Morse, Llc).
Key specifications for 16101672: Flange Diameter: 0.688 INCHES NOMINAL IN; Length: 1.500 INCHES NOMINAL IN; Flange Thickness: 0.125 INCHES NOMINAL IN; Insert Size: 0.5005 IN. MIN AND 0.5020 IN. MAX DIA IN. 11 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.