NSN 3110-01-481-9923 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-481-9923. Manufacturer of record part number: 4950825.
Manufacturer of record: Rtx Corporation Div Pratt & Whitney
Identification
NSN: 3110-01-481-9923
NIIN: 014819923
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
Primary part number: 4950825
Manufacturer: Rtx Corporation Div Pratt & Whitney
General Description
The Ball Set,bearing, cataloged under National Stock Number 3110-01-481-9923, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Aar Supply Chain, Inc Dba Aar Defense Systems & Logistics
No interchangeability data on file.
Other items in FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1938
BEARING,BALL,AIRFRAME
3110-00-001-4661
CONE AND ROLLERS,TAPERED ROLLER
3110-00-001-4662
CUP,TAPERED ROLLER BEARING
3110-00-001-4689
BEARING,BALL,ANNULAR
3110-00-001-4722
BEARING,BALL,ANNULAR
Frequently Asked Questions
What is NSN 3110-01-481-9923?
NSN 3110-01-481-9923 is a Ball Set,bearing, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-01-481-9923?
NSN 3110-01-481-9923 has 1 manufacturer part number on file: 4950825 (Rtx Corporation Div Pratt & Whitney).
What are the specifications of 4950825?
Key specifications for 4950825: End Item Identification: USED ON T2B AUXILIARY POWER UNIT PART OF CH-47 CHINOOK HELICOPTER. 0 specifications are documented in the U.S. Government catalog.
Is NSN 3110-01-481-9923 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.