NSN 3110-00-977-2445 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-977-2445. Manufacturer of record part number: 6435-20269-101.
Style Designator: RADIAL, RETAINER AND CYLINDRICAL ROLLERS
Material Document and Classification: AMS 6280 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter: 3.7400 INCHES MINIMUM AND 3.7600 INCHES MAXIMUM IN
Test Data Document: 81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Bore Diameter: 3.5500 INCHES MINIMUM AND 3.5700 INCHES MAXIMUM IN
The Retainer,roller,bearing, cataloged under National Stock Number 3110-00-977-2445, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 8 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.
AMS 6280 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter
3.7400 INCHES MINIMUM AND 3.7600 INCHES MAXIMUM IN
Test Data Document
81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Bore Diameter
3.5500 INCHES MINIMUM AND 3.5700 INCHES MAXIMUM IN
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 3110-00-977-2445?
NSN 3110-00-977-2445 is a Retainer,roller,bearing, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-00-977-2445?
NSN 3110-00-977-2445 has 1 manufacturer part number on file: 6435-20269-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
What are the specifications of 6435-20269-101?
Key specifications for 6435-20269-101: Retainer Fabrication Method: MACHINED; Style Designator: RADIAL, RETAINER AND CYLINDRICAL ROLLERS; Material Document and Classification: AMS 6280 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Overall Width: 1.4900 INCHES MINIMUM AND 1.5100 INCHES MAXIMUM IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 3110-00-977-2445 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.