PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A12890Bearing,sleeve

Gh Bettis a Galveston-Houston Co · NSN 3120-01-020-8925 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-020-8925 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-020-8925. Primary manufacturer part number: A12890.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 0.4395 INCHES MINIMUM AND 0.4405 INCHES MAXIMUM IN
  • Corner Shape: SQUARE ALL CORNERS
  • Material: COPPER ALLOY 841 OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Inside Diameter: 0.3135 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN
  • 3 verified cross-references
  • Primary manufacturer: Gh Bettis a Galveston-Houston Co
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 841 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-020-8925, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Gh Bettis a Galveston-Houston Co. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-01-020-8925
Primary Part NumberA12890
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerGh Bettis a Galveston-Houston Co
StatusCANCELLED
Body Outside Diameter0.4395 INCHES MINIMUM AND 0.4405 INCHES MAXIMUM IN
Corner ShapeSQUARE ALL CORNERS
MaterialCOPPER ALLOY 841 OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter0.3135 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
2910-00-123-0078S9394-2 INTERCHANGEABLE
Carburetor,float
Lincoln Electric Holdings Inc
4730-00-278-5453 INTERCHANGEABLE
Nut,tube Coupling
7320-00-389-5123V-12733 INTERCHANGEABLE
Plunger,yoke
Itw Food Equipment Group Llc Dba Hobart Service
3110-00-554-6030 INTERCHANGEABLE
Bearing,ball,annular
6145-00-630-489912890 INTERCHANGEABLE
Braid,wire
Unison Industries Llc
5905-01-127-1837484829 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Simmonds Precision Products Inc
6505-01-134-732112-890 INTERCHANGEABLE
Hemodialysis Solution,concentrat
Cobe Laboratories Inc
5999-01-181-2738SA-1 INTERCHANGEABLE
Clip,electrical
Siemon Company the
5996-01-671-784712890 INTERCHANGEABLE
Amplifier,audio Frequency
Eon Instrumentation, Inc.
Cross-Reference Index
Part NumberManufacturer
A12890 Gh Bettis a Galveston-Houston Co (USA)
12890 Gh Bettis a Galveston-Houston Co (USA)
A212890 Gh Bettis a Galveston-Houston Co (USA)
Related Parts
2910-00-123-0078INTERCHANGEABLE
CARBURETOR,FLOAT
S9394-2
4730-00-278-5453INTERCHANGEABLE
NUT,TUBE COUPLING
7320-00-389-5123INTERCHANGEABLE
PLUNGER,YOKE
V-12733
3110-00-554-6030INTERCHANGEABLE
BEARING,BALL,ANNULAR
6145-00-630-4899INTERCHANGEABLE
BRAID,WIRE
12890
5905-01-127-1837INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
484829
6505-01-134-7321INTERCHANGEABLE
HEMODIALYSIS SOLUTION,CONCENTRAT
12-890
5999-01-181-2738INTERCHANGEABLE
CLIP,ELECTRICAL
SA-1
5996-01-671-7847INTERCHANGEABLE
AMPLIFIER,AUDIO FREQUENCY
12890

Frequently Asked Questions

What is NSN 3120-01-020-8925?

NSN 3120-01-020-8925 is a Bearing,sleeve, manufactured by Gh Bettis a Galveston-Houston Co, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-01-020-8925?

NSN 3120-01-020-8925 has 3 cross-referenced part numbers: A12890 (Gh Bettis a Galveston-Houston Co), 12890 (Gh Bettis a Galveston-Houston Co), A212890 (Gh Bettis a Galveston-Houston Co).

What NSN replaces 3120-01-020-8925?

There are 9 known substitutes for 3120-01-020-8925: 2910-00-123-0078, 4730-00-278-5453, 7320-00-389-5123 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A12890?

Key specifications for A12890: Body Outside Diameter: 0.4395 INCHES MINIMUM AND 0.4405 INCHES MAXIMUM IN; Corner Shape: SQUARE ALL CORNERS; Material: COPPER ALLOY 841 OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-01-020-8925 still in active supply?

NSN 3120-01-020-8925 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com