NSN 3110-01-004-5539 · NIIN 010045539 · Part number 28970-2
Triumph Engine Control Systems Llc · FSC 3110 — Bearings, Antifriction, Unmounted · FSG 31 — Bearings · CAGE 11599
Government record, cited
NSN 3110-01-004-5539 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-004-5539. Manufacturer of record part number: 28970-2.
Rolling Element Diameter: 0.0928 INCHES MINIMUM AND 0.0948 INCHES MAXIMUM IN
Style Designator: BALL
Material Document and Classification: AMS 4118 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Standard Tolerance Designation: AFBMA STD TOLERANCE FOR BALLS, GRADE 200
Material: ALUMINUM ALLOY 2017 OVERALL
1 manufacturer part number on file
Manufacturer of record: Triumph Engine Control Systems Llc
Identification
NSN: 3110-01-004-5539
NIIN: 010045539
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
Primary part number: 28970-2
Manufacturer: Triumph Engine Control Systems Llc
General Description
The Ball,bearing, cataloged under National Stock Number 3110-01-004-5539, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 5 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
3110-01-004-5539
Primary Part Number
28970-2
Item Name
Ball,bearing
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Manufacturer
Triumph Engine Control Systems Llc
Status
ACTIVE
Rolling Element Diameter
0.0928 INCHES MINIMUM AND 0.0948 INCHES MAXIMUM IN
Style Designator
BALL
Material Document and Classification
AMS 4118 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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 3110-01-004-5539?
NSN 3110-01-004-5539 is a Ball,bearing, manufactured by Triumph Engine Control Systems Llc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-01-004-5539?
NSN 3110-01-004-5539 has 1 manufacturer part number on file: 28970-2 (Triumph Engine Control Systems Llc).
What are the specifications of 28970-2?
Key specifications for 28970-2: Rolling Element Diameter: 0.0928 INCHES MINIMUM AND 0.0948 INCHES MAXIMUM IN; Style Designator: BALL; Material Document and Classification: AMS 4118 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Standard Tolerance Designation: AFBMA STD TOLERANCE FOR BALLS, GRADE 200. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3110-01-004-5539 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.