The Insert,screw Thread, cataloged under National Stock Number 5325-01-308-9197, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Williams International Co., L.l.c.. Government technical data includes 14 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 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 | 5325-01-308-9197 |
| Primary Part Number | 39931 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Williams International Co., L.l.c. |
| Status | ACTIVE |
| Flange Diameter | 0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN |
| Width Across Flats | 0.412 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN |
| Second Flange Thickness | 0.114 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN |
| Length | 0.370 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| Flange Thickness | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Insert Size | 0.308 IN. MIN AND 0.312 IN. MAX DIA IN |
| Style Designator | FLANGE |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.190 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 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 |
|---|---|
| 39931 PRIMARY | Williams International Co., L.l.c. (USA) |
NSN 5325-01-308-9197 is a Insert,screw Thread, manufactured by Williams International Co., L.l.c., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-308-9197 has 1 manufacturer part number on file: 39931 (Williams International Co., L.l.c.).
1 possible match (shared part number, not a government interchangeability claim): 5940-01-710-3124. Verify interchangeability with system specifications before substitution.
Key specifications for 39931: Flange Diameter: 0.640 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN; Width Across Flats: 0.412 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN; Second Flange Thickness: 0.114 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN; Length: 0.370 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN. 14 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.