Outside Diameter: 2.7300 INCHES MINIMUM AND 2.7400 INCHES MAXIMUM IN
Bore Diameter: 2.0020 INCHES MINIMUM AND 2.0070 INCHES MAXIMUM IN
Material: STEEL OVERALL
Retainer Piece Quantity: 1
Identification
NSN: 3110-00-443-4181
NIIN: 004434181
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
General Description
The Retainer and Rollers,bearing, cataloged under National Stock Number 3110-00-443-4181, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3110-00-443-4181
Item Name
Retainer and Rollers,bearing
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Status
ACTIVE
Retainer Fabrication Method
STAMPED
Style Designator
RETAINER AND ROLLERS, THRUST
Outside Diameter
2.7300 INCHES MINIMUM AND 2.7400 INCHES MAXIMUM IN
Bore Diameter
2.0020 INCHES MINIMUM AND 2.0070 INCHES MAXIMUM IN
Material
STEEL OVERALL
Retainer Piece Quantity
1
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
30190A15
3/9Design control — primary reference
Rtc Parts Inc
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 3110-00-443-4181?
NSN 3110-00-443-4181 is a Retainer and Rollers,bearing, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What are the specifications of 3110-00-443-4181?
Key specifications for 3110-00-443-4181: Retainer Fabrication Method: STAMPED; Style Designator: RETAINER AND ROLLERS, THRUST; Overall Width: 0.0781 INCHES NOMINAL IN; Outside Diameter: 2.7300 INCHES MINIMUM AND 2.7400 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 3110-00-443-4181 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.