The Insert,screw Thread, cataloged under National Stock Number 5325-01-029-7437, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-029-7437 |
| Primary Part Number | RKKA1/2-20 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Nominal Thread Size | 0.500 INCHES IN |
| Material | STEEL OVERALL |
| Material Document and Classification | QQ-S-637,COMP 1215 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Quantity Per Inch | 20 |
| Insert Size | 0.625-11 |
| Style Designator | KEYLOCK |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Length | 0.673 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN |
| Internal Thread Relief Depth | 0.100 INCHES NOMINAL IN |
| Full Internal Thread Length | 0.563 INCHES MINIMUM AND 0.613 INCHES MAXIMUM IN |
| Thread Class | 3B |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4KK1/2-20 | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| RKKA1/2-20 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| TR21013 | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| 26106 | Jergens Inc Div Tooling Components Division (USA) |
| RKK1/2-20 | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
NSN 5325-01-029-7437 is a Insert,screw Thread, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325 (No Item Name Available). Status: active.
NSN 5325-01-029-7437 has 5 cross-referenced part numbers: 4KK1/2-20 (Howmet Global Fastening Systems Inc. Div Tridair Products), RKKA1/2-20 (Howmet Global Fastening Systems Inc. Div Tridair Products), TR21013 (Howmet Global Fastening Systems Inc. Div Tridair Products), 26106 (Jergens Inc Div Tooling Components Division), RKK1/2-20 (Howmet Global Fastening Systems Inc. Div Tridair Products).
There are 11 known substitutes for 5325-01-029-7437: 2805-00-040-0339, 5330-00-120-2060, 5110-00-186-4208 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for RKKA1/2-20: Nominal Thread Size: 0.500 INCHES IN; Material: STEEL OVERALL; Material Document and Classification: QQ-S-637,COMP 1215 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Quantity Per Inch: 20. 11 total characteristics are documented in the Federal Logistics Information System.