The Insert,screw Thread, cataloged under National Stock Number 5325-01-331-7993, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-331-7993 |
| Primary Part Number | K50127-3 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Length | 0.335 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN |
| Insert Size | 0.4375-14 UNC 2A A |
| Features Provided | INDIVIDUALLY KEYED |
| Nominal Thread Size | 0.190 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| K50127-3 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| J971P03 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 10160030 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| J971P03 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
| J971P03B | 5/9 Secondary reference General Electric Company |
| J971P03 | 5/9 Secondary reference U.S. Government activity |
| K50127-3 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Microdot Products |
NSN 5325-01-331-7993 is a Insert,screw Thread, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-331-7993 has 2 manufacturer part numbers on file: K50127-3 (Howmet Global Fastening Systems Inc. Div Tridair Products), J971P03 (General Electric Company).
Key specifications for K50127-3: Length: 0.335 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN; Insert Size: 0.4375-14 UNC 2A A; Features Provided: INDIVIDUALLY KEYED; Nominal Thread Size: 0.190 INCHES IN. 7 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.