The Insert,screw Thread, cataloged under National Stock Number 5325-01-156-8075, 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 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-156-8075 |
| Primary Part Number | KNK044J |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Length | 0.305 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Insert Size | 0.312-24 UNF 3A A |
| Style Designator | KEYLOCK |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Internal Thread Relief Depth | 0.070 INCHES NOMINAL IN |
| Nominal Thread Size | 0.112 INCHES IN |
| Full Internal Thread Length | 0.190 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3B |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 303 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 |
|---|---|
| KNK044J PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| KNK0440J PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| 11437527-4 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| KNK0440 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
| 012 3566-00 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 5325-01-156-8075 is a Insert,screw Thread, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-156-8075 has 3 manufacturer part numbers on file: KNK044J (Howmet Global Fastening Systems Inc. Div Tridair Products), KNK0440J (Howmet Global Fastening Systems Inc. Div Tridair Products), 11437527-4 (Us Army Aviation and Missile Command).
Key specifications for KNK044J: Length: 0.305 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Insert Size: 0.312-24 UNF 3A A; Style Designator: KEYLOCK. 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.