NSN 3110-01-044-4476 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-044-4476. Manufacturer of record part number: 5RU-1804-7K.
Style Designator: SOLID OUTER RACE, JOURNAL AND NEEDLE
Material Document and Classification: AMS 6490 ASSN STD SINGLE MATERIAL RESPONSE INNER RING
Overall Outside Diameter: 0.9000 INCHES MINIMUM AND 0.9100 INCHES MAXIMUM IN
Bore Shape: STRAIGHT
Test Data Document: 73342-C6890483 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: 0.7872 INCHES MINIMUM AND 0.7874 INCHES MAXIMUM IN
Identification
NSN: 3110-01-044-4476
NIIN: 010444476
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
Primary part number: 5RU-1804-7K
Manufacturer: Mpb Corporation Dba Mpb Corp
General Description
The Ring,bearing,inner, cataloged under National Stock Number 3110-01-044-4476, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mpb Corporation Dba Mpb Corp. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3110-01-044-4476
Primary Part Number
5RU-1804-7K
Item Name
Ring,bearing,inner
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Manufacturer
Mpb Corporation Dba Mpb Corp
Status
ACTIVE
Surface Finish
GROUND
Style Designator
SOLID OUTER RACE, JOURNAL AND NEEDLE
Material Document and Classification
AMS 6490 ASSN STD SINGLE MATERIAL RESPONSE INNER RING
Overall Outside Diameter
0.9000 INCHES MINIMUM AND 0.9100 INCHES MAXIMUM IN
Bore Shape
STRAIGHT
Test Data Document
73342-C6890483 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
0.7872 INCHES MINIMUM AND 0.7874 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 3110-01-044-4476?
NSN 3110-01-044-4476 is a Ring,bearing,inner, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-01-044-4476?
NSN 3110-01-044-4476 has 2 manufacturer part numbers on file: 6890483 (Rolls-Royce Corporation), 5RU-1804-7K (Mpb Corporation Dba Mpb Corp).
What are the specifications of 5RU-1804-7K?
Key specifications for 5RU-1804-7K: Surface Finish: GROUND; Style Designator: SOLID OUTER RACE, JOURNAL AND NEEDLE; Material Document and Classification: AMS 6490 ASSN STD SINGLE MATERIAL RESPONSE INNER RING; Overall Width: 0.6200 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 3110-01-044-4476 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.
What is the DEMIL code for NSN 3110-01-044-4476?
NSN 3110-01-044-4476 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.