NSN 6635-01-141-8901 · NIIN 011418901 · Part number PWA54257
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · FSC 6635 — Physical Properties Testing and Inspection · FSG 66 — Instruments and Laboratory Equipment · CAGE 77445
Government record, cited
NSN 6635-01-141-8901 — this item is cataloged by the U.S. Government under National Stock Number 6635-01-141-8901. Manufacturer of record part number: PWA54257.
Also searched as6635-01-141-8901 ·
6635011418901 ·
NIIN 011418901 ·
01-141-8901 ·
FSC 6635 Physical Properties Testing and Inspection · CAGE 77445 · PWA54257
General Characteristics Item Description: 3.000 IN. LG; 2.500 IN. W; USED TO VERIFY PROBE CALIBRATION WHILE INSPECTING ENGINE PARTS IN
1 manufacturer part number on file
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 6635-01-141-8901
NIIN: 011418901
FSC: 6635 — Physical Properties Testing and Inspection
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: PWA54257
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Tool,performance Calibration, cataloged under National Stock Number 6635-01-141-8901, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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
6635-01-141-8901
Primary Part Number
PWA54257
Item Name
Tool,performance Calibration
FSC / FSG
6635 / 66 — Physical Properties Testing and Inspection
Manufacturer
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Status
ACTIVE
General Characteristics Item Description
3.000 IN. LG; 2.500 IN. W; USED TO VERIFY PROBE CALIBRATION WHILE INSPECTING ENGINE PARTS IN
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
No interchangeability data on file.
Other items in FSC 6635 — Physical Properties Testing and Inspection
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6635-00-000-0133
X-RAY APPARATUS,RADIOGRAPHIC,IND
6635-00-001-1523
FILM,RADIOGRAPHIC
6635-00-001-2317
6635-00-001-2317 · Item name not on file
6635-00-001-2318
6635-00-001-2318 · Item name not on file
6635-00-003-0281
TESTER,TORQUE WRENCH
6635-00-003-0282
CALIBRATOR,TORQUE
6635-00-003-0284
CALIBRATOR,TORQUE
6635-00-003-1193
6635-00-003-1193 · Item name not on file
Frequently Asked Questions
What is NSN 6635-01-141-8901?
NSN 6635-01-141-8901 is a Tool,performance Calibration, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
What part numbers are listed for NSN 6635-01-141-8901?
NSN 6635-01-141-8901 has 1 manufacturer part number on file: PWA54257 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of PWA54257?
Key specifications for PWA54257: General Characteristics Item Description: 3.000 IN. LG; 2.500 IN. W; USED TO VERIFY PROBE CALIBRATION WHILE INSPECTING ENGINE PARTS IN; End Item Identification: F100PW100/200 ENGINE. 1 specification is documented in the U.S. Government catalog.
Is NSN 6635-01-141-8901 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.