NSN 4140-01-557-2938 · NIIN 015572938 · Part number RK129
General Technics Inc. Dba General Technics Inc · FSC 4140 — Fans, Air Circulators, and Blower Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 09VV4
Government record, cited
NSN 4140-01-557-2938 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-557-2938. Manufacturer of record part number: RK129.
Also searched as4140-01-557-2938 ·
4140015572938 ·
NIIN 015572938 ·
01-557-2938 ·
FSC 4140 Fans, Air Circulators, and Blower Equipment · CAGE 09VV4 · RK129
Manufacturer of record: General Technics Inc. Dba General Technics Inc
Identification
NSN: 4140-01-557-2938
NIIN: 015572938
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
Primary part number: RK129
Manufacturer: General Technics Inc. Dba General Technics Inc
General Description
The Fan,tubeaxial, cataloged under National Stock Number 4140-01-557-2938, is classified within Federal Supply Class 4140 (Fans, Air Circulators, and Blower Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is General Technics Inc. Dba General Technics Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4140-01-557-2938
Primary Part Number
RK129
Item Name
Fan,tubeaxial
FSC / FSG
4140 / 41 — Fans, Air Circulators, and Blower Equipment
General Technics Inc. Dba General Technics Inc (USA)
No interchangeability data on file.
Other items in FSC 4140 — Fans, Air Circulators, and Blower Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4140-00-000-0082
IMPELLER,FAN,AXIAL
4140-00-001-1517
FAN,CENTRIFUGAL
4140-00-001-1536
FAN,VENTILATING
4140-00-001-1537
4140-00-001-1537 · Item name not on file
4140-00-001-3930
4140-00-001-3930 · Item name not on file
4140-00-001-6464
4140-00-001-6464 · Item name not on file
4140-00-001-6874
4140-00-001-6874 · Item name not on file
4140-00-001-6875
4140-00-001-6875 · Item name not on file
Frequently Asked Questions
What is NSN 4140-01-557-2938?
NSN 4140-01-557-2938 is a Fan,tubeaxial, manufactured by General Technics Inc. Dba General Technics Inc, classified under FSC 4140, Fans, Air Circulators, and Blower Equipment. Status: active.
What part numbers are listed for NSN 4140-01-557-2938?
NSN 4140-01-557-2938 has 1 manufacturer part number on file: RK129 (General Technics Inc. Dba General Technics Inc).
What are the specifications of RK129?
Key specifications for RK129: Special Features: BALL BEARING TYPE; Part Name Assigned by Controlling Agency: CHASSIS FAN, CENTRIFUGAL BLOWER FOR 1U POWER SUPPLIES; End Item Identification: U-2 AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4140-01-557-2938 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.