The Tierod,compressor, cataloged under National Stock Number 2840-01-159-9633, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-159-9633 |
| Primary Part Number | 644943 |
| Item Name | Tierod,compressor |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2840-01-159-9633 is a Tierod,compressor, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-159-9633 has 2 manufacturer part numbers on file: 644943 (Sps Technologies, Llc Dba PB Fasteners), 644943 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 644943: Criticality Code Justification: AGAV; Overall Length: 15.264 INCHES MINIMUM AND 15.286 INCHES MAXIMUM IN; End Item Identification: ACFT ENG TF33; Material: STEEL. 2 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.
NSN 2840-01-159-9633 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.