The Insert,screw Thread, cataloged under National Stock Number 5325-01-190-7737, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Ace Aeronautics 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5325-01-190-7737 |
| Primary Part Number | 50-0332-3 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Ace Aeronautics Llc |
| Status | ACTIVE |
| Flange Diameter | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Length | 0.174 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Thickness | 0.021 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN |
| Insert Size | 0.112 IN. NOM DIA IN |
| Style Designator | FLANGE |
| Nominal Thread Size | 0.138 INCHES IN |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| 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 |
|---|---|
| 50-0332-3 PRIMARY | Ace Aeronautics Llc (USA) |
| Reference | Meaning |
|---|---|
| MS3498-3 | 5/9 Secondary reference U.S. Government activity |
| MS3498-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5325-01-190-7737 is a Insert,screw Thread, manufactured by Ace Aeronautics Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-190-7737 has 1 manufacturer part number on file: 50-0332-3 (Ace Aeronautics Llc).
1 possible match (shared part number, not a government interchangeability claim): 3130-01-252-8433. Verify interchangeability with system specifications before substitution.
Key specifications for 50-0332-3: Flange Diameter: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Length: 0.174 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Flange Thickness: 0.021 INCHES MINIMUM AND 0.026 INCHES MAXIMUM 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.