NSN 3110-00-151-5035 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-151-5035. Manufacturer of record part number: RF4012A1.
Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Overall Outside Diameter: 0.3750 INCHES NOMINAL IN
Identification
NSN: 3110-00-151-5035
NIIN: 001515035
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
Primary part number: RF4012A1
Manufacturer: Rmb Miniature Bearings Inc
General Description
The Bearing,ball,annular, cataloged under National Stock Number 3110-00-151-5035, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rmb Miniature Bearings Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3110-00-151-5035
Primary Part Number
RF4012A1
Item Name
Bearing,ball,annular
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Manufacturer
Rmb Miniature Bearings Inc
Status
ACTIVE
Lubrication Material
OIL
Internal Clearance
0.0006 INCHES NOMINAL RADIAL IN
Surface Finish
GROUND
Shield Quantity
2
Style Designator
NON-LOADING GROOVE, NON-SEPARABLE
Material Document and Classification
66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Overall Outside Diameter
0.3750 INCHES NOMINAL IN
Bore Shape
STRAIGHT
Load Direction
RADIAL
Standard Tolerance Designation
ABEC NO.1
Bore Diameter
0.1250 INCHES NOMINAL IN
Material
STEEL COMP E52100 OVERALL
Lubrication Material Document and Classification
MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE
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
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-00-605-3789577R391POSSIBLE MATCH
WASHER,SPRING TENSION
Possible match (shared part number)Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6675-01-220-3828RTDR2-SKPOSSIBLE MATCH
LEVEL,SURVEYING
Possible match (shared part number)Spectra Precision Inc. Dba Trimble Div Engineering and Construction Division
Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA)
Related Parts
5310-00-605-3789POSSIBLE MATCH
WASHER,SPRING TENSION
577R391
6675-01-220-3828POSSIBLE MATCH
LEVEL,SURVEYING
RTDR2-SK
6625-01-267-1277POSSIBLE MATCH
TEST SET SUBASSEMBLY,ELECTRICAL
527242
Frequently Asked Questions
What is NSN 3110-00-151-5035?
NSN 3110-00-151-5035 is a Bearing,ball,annular, manufactured by Rmb Miniature Bearings Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-00-151-5035?
NSN 3110-00-151-5035 has 3 manufacturer part numbers on file: RF4012A1 (Rmb Miniature Bearings Inc), 527234 (Hamilton Sundstrand Corporation Dba Collins Aerospace), R2SS (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation).
What NSN replaces 3110-00-151-5035?
3 possible matches (shared part number, not a government interchangeability claim): 5310-00-605-3789, 6675-01-220-3828, 6625-01-267-1277. Verify interchangeability with system specifications before substitution.
What are the specifications of RF4012A1?
Key specifications for RF4012A1: Lubrication Material: OIL; Internal Clearance: 0.0006 INCHES NOMINAL RADIAL IN; Surface Finish: GROUND; Shield Quantity: 2. 13 specifications are documented in the U.S. Government catalog.
Is NSN 3110-00-151-5035 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.