NSN 3110-01-181-1133 · NIIN 011811133 · Part number 125541A
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S · FSC 3110 — Bearings, Antifriction, Unmounted · FSG 31 — Bearings · CAGE 73760
Government record, cited
NSN 3110-01-181-1133 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-181-1133. Manufacturer of record part number: 125541A.
Overall Outside Diameter: 0.6570 INCHES MINIMUM AND 0.6770 INCHES MAXIMUM IN
Alignment Type: RIGID
Bore Diameter: 0.2520 INCHES MINIMUM AND 0.2620 INCHES MAXIMUM IN
Material: STEEL OVERALL
Identification
NSN: 3110-01-181-1133
NIIN: 011811133
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
Primary part number: 125541A
Manufacturer: Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
General Description
The Bearing,roller,thrust, cataloged under National Stock Number 3110-01-181-1133, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S. Government technical data includes 7 specifications, 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
3110-01-181-1133
Primary Part Number
125541A
Item Name
Bearing,roller,thrust
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Manufacturer
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
Status
ACTIVE
Surface Finish
GROUND
Style Designator
FLAT RACE SURFACE, CYLINDRICAL ROLLERS
Thrust Directional Capability Designation
SIMPLIFIED DOUBLE ACTING
Overall Outside Diameter
0.6570 INCHES MINIMUM AND 0.6770 INCHES MAXIMUM IN
Alignment Type
RIGID
Bore Diameter
0.2520 INCHES MINIMUM AND 0.2620 INCHES MAXIMUM IN
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA)
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 3110-01-181-1133?
NSN 3110-01-181-1133 is a Bearing,roller,thrust, manufactured by Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-01-181-1133?
NSN 3110-01-181-1133 has 1 manufacturer part number on file: 125541A (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S).
What are the specifications of 125541A?
Key specifications for 125541A: Overall Height: 0.1401 INCHES NOMINAL IN; Surface Finish: GROUND; Style Designator: FLAT RACE SURFACE, CYLINDRICAL ROLLERS; Thrust Directional Capability Designation: SIMPLIFIED DOUBLE ACTING. 7 specifications are documented in the U.S. Government catalog.
Is NSN 3110-01-181-1133 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.