The Insert,screw Thread, cataloged under National Stock Number 5325-01-323-0704, 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5325-01-323-0704 |
| Primary Part Number | ST2609-01 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| FSC Application Data | FRONT COMPRESSOR ROTOR AND STATOR ASSY ON F100PW0229 ENGINE |
| Length | 0.480 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN |
| Insert Size | 0.3750-16 |
| Style Designator | KEYLOCK |
| Internal Thread Relief Depth | 0.068 INCHES NOMINAL IN |
| Features Provided | INDIVIDUALLY KEYED |
| Full Internal Thread Length | 0.335 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| ST2609-01 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| ST2609-01 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 5325PL0729534 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 2787-01 | 5/1 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 2787-01 | 5/1 Secondary reference Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives |
| ST2786-01 | 5/1 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| K10001-3 | 5/9 Secondary reference Kawneer Co Inc Sub of Alumax Inc |
| ST2609 | D/9 Drawing number reference only Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| TR26036N-1032SBVX | 3/9 Design control — primary reference Howmet Global Fastening Systems Inc. Div Tridair Products |
NSN 5325-01-323-0704 is a Insert,screw Thread, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-323-0704 has 2 manufacturer part numbers on file: ST2609-01 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), ST2609-01 (Howmet Global Fastening Systems Inc. Div Tridair Products).
1 possible match (shared part number, not a government interchangeability claim): 5325-01-324-6480. Verify interchangeability with system specifications before substitution.
Key specifications for ST2609-01: FSC Application Data: FRONT COMPRESSOR ROTOR AND STATOR ASSY ON F100PW0229 ENGINE; Length: 0.480 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN; Insert Size: 0.3750-16; Style Designator: KEYLOCK. 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.