NSN 3110-01-128-4154 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-128-4154. Manufacturer of record part number: TRA-1625-S.
The Seat,bearing, cataloged under National Stock Number 3110-01-128-4154, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Timken Aerospace, Inc Dba Torrington Product. Government technical data includes 5 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
3110-01-128-4154
Primary Part Number
TRA-1625-S
Item Name
Seat,bearing
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Manufacturer
Timken Aerospace, Inc Dba Torrington Product
Status
ACTIVE
Style Designator
FLAT RACE SURFACE
Material Document and Classification
AISI 440A ASSN STD SINGLE MATERIAL RESPONSE OVERALL A
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 3110-01-128-4154?
NSN 3110-01-128-4154 is a Seat,bearing, manufactured by Timken Aerospace, Inc Dba Torrington Product, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What part numbers are listed for NSN 3110-01-128-4154?
NSN 3110-01-128-4154 has 2 manufacturer part numbers on file: 4N8626 (Caterpillar Inc Div Caterpillar Defense), TRA-1625-S (Timken Aerospace, Inc Dba Torrington Product).
What are the specifications of TRA-1625-S?
Key specifications for TRA-1625-S: Style Designator: FLAT RACE SURFACE; Material Document and Classification: AISI 440A ASSN STD SINGLE MATERIAL RESPONSE OVERALL A; Overall Width: 0.0300 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM IN; Outside Diameter: 1.5620 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3110-01-128-4154 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.