PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1232-4Bearing,sleeve

Chrysler Corp Amplex Div · NSN 3120-00-287-6470 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-287-6470 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-287-6470. Primary manufacturer part number: A1232-4.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE ALL CORNERS
  • Material: COPPER ALLOY OVERALL
  • Material: OIL LUBRICATING LUBRICATION
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material Document and Classification: MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
  • Body Inside Diameter: 1.0010 INCHES MINIMUM AND 1.0020 INCHES MAXIMUM IN
  • Body Outside Diameter: 1.2530 INCHES MINIMUM AND 1.2540 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-287-6470, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Chrysler Corp Amplex Div. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-287-6470
Primary Part NumberA1232-4
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerChrysler Corp Amplex Div
StatusCANCELLED
Corner ShapeSQUARE ALL CORNERS
MaterialCOPPER ALLOY OVERALL
MaterialOIL LUBRICATING LUBRICATION
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and ClassificationMIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
Body Inside Diameter1.0010 INCHES MINIMUM AND 1.0020 INCHES MAXIMUM IN
Body Outside Diameter1.2530 INCHES MINIMUM AND 1.2540 INCHES MAXIMUM IN
Hardness Rating30.0 ROCKWELL H MINIMUM AND 70.0 ROCKWELL H MAXIMUM OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3120-00-287-7480B5947 INTERCHANGEABLE
Bearing,sleeve
Dresser, Llc
3120-00-489-4279HT901-1 INTERCHANGEABLE
Bearing,washer,thrust
Chrysler Corp Amplex Div
3120-00-661-8500 INTERCHANGEABLE
Bearing,sleeve
3120-00-684-1460309-0115-000 INTERCHANGEABLE
Bearing,sleeve
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
3120-00-827-7940FB68-3 1-4 INTERCHANGEABLE
Bearing,sleeve
Altra Industrial Motion Corp.
3120-00-855-3814 INTERCHANGEABLE
Bearing,sleeve
3120-00-892-3953BACB10D63 INTERCHANGEABLE
Bearing,sleeve
The Boeing Company Div Defense
3120-00-912-6382 INTERCHANGEABLE
Bearing,sleeve
3120-01-009-6773 INTERCHANGEABLE
Bearing,sleeve
5330-01-015-875050305 INTERCHANGEABLE
Packing,preformed
Paccar Winch Inc Dba Paccar Winch Division
Cross-Reference Index
Part NumberManufacturer
A1232-4 Chrysler Corp Amplex Div (USA)
AA1232-4 Chrysler Corp Amplex Div (USA)
50-30-5 Trailmobile Inc Sub of the Pullman Co (USA)
1706-140 PIECE 9 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
AA1232-4 Beemer Precision Inc (USA)
15333PC4 Calgon Carbon Uv Technologies Llc Dba Hyde Marine (USA)
B1620-16 Altra Industrial Motion Corp. (USA)
5173380 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
MS17795-145 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
15333-14 Calgon Carbon Uv Technologies Llc Dba Hyde Marine (USA)
6251-10 Saginaw Products Corporation Dba Cignys (USA)
MIL-B-5687D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILB5687TYPE1C0MP0SITI0NA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
HA1213 Chrysler Corp Amplex Div (USA)
709-4555085 PIECE 9 Naval Sea Systems Command (USA)
AA1213 Chrysler Corp Amplex Div (USA)
62447-515 Patterson Pump Co Div Patterson Pump Company (USA)
Related Parts
3120-00-287-7480INTERCHANGEABLE
BEARING,SLEEVE
B5947
3120-00-489-4279INTERCHANGEABLE
BEARING,WASHER,THRUST
HT901-1
3120-00-661-8500INTERCHANGEABLE
BEARING,SLEEVE
3120-00-684-1460INTERCHANGEABLE
BEARING,SLEEVE
309-0115-000
3120-00-827-7940INTERCHANGEABLE
BEARING,SLEEVE
FB68-3 1-4
3120-00-855-3814INTERCHANGEABLE
BEARING,SLEEVE
3120-00-892-3953INTERCHANGEABLE
BEARING,SLEEVE
BACB10D63
3120-00-912-6382INTERCHANGEABLE
BEARING,SLEEVE
3120-01-009-6773INTERCHANGEABLE
BEARING,SLEEVE
5330-01-015-8750INTERCHANGEABLE
PACKING,PREFORMED
50305
5307-01-021-1779INTERCHANGEABLE
STUD
6251-1
5305-01-065-8775INTERCHANGEABLE
SCREW,SPECIAL
A123-24

Frequently Asked Questions

What is NSN 3120-00-287-6470?

NSN 3120-00-287-6470 is a Bearing,sleeve, manufactured by Chrysler Corp Amplex Div, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-287-6470?

NSN 3120-00-287-6470 has 17 cross-referenced part numbers: A1232-4 (Chrysler Corp Amplex Div), AA1232-4 (Chrysler Corp Amplex Div), 50-30-5 (Trailmobile Inc Sub of the Pullman Co), 1706-140 PIECE 9 (Huntington Ingalls Inc Div Newport News Shipbuilding), AA1232-4 (Beemer Precision Inc) and 12 more.

What NSN replaces 3120-00-287-6470?

There are 12 known substitutes for 3120-00-287-6470: 3120-00-287-7480, 3120-00-489-4279, 3120-00-661-8500 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A1232-4?

Key specifications for A1232-4: Corner Shape: SQUARE ALL CORNERS; Material: COPPER ALLOY OVERALL; Material: OIL LUBRICATING LUBRICATION; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-287-6470 still in active supply?

NSN 3120-00-287-6470 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.
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