PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AM-1Bearing,sleeve

Roller Bearing Co of America, Inc Div Pic Design · NSN 3120-00-953-2348 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-953-2348 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-953-2348. Primary manufacturer part number: AM-1.
Features
  • Bearing,sleeve — FSC 3120
  • Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY OVERALL
  • Body Outside Diameter: 0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
  • Material: OIL LUBRICATING LUBRICATION
  • Corner Shape: SQUARE ALL CORNERS
  • Body Inside Diameter: 0.1248 INCHES MINIMUM AND 0.1252 INCHES MAXIMUM IN
  • Material Document and Classification: SAE 40 ASSN STD SINGLE MATERIAL RESPONSE LUBRICATION
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 3120-00-953-2348, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-953-2348
Primary Part NumberAM-1
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRoller Bearing Co of America, Inc Div Pic Design
StatusACTIVE
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY OVERALL
Body Outside Diameter0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
MaterialOIL LUBRICATING LUBRICATION
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter0.1248 INCHES MINIMUM AND 0.1252 INCHES MAXIMUM IN
Material Document and ClassificationSAE 40 ASSN STD SINGLE MATERIAL RESPONSE LUBRICATION
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Nondefinitive Spec/std Data1 TYPE AND A COMPOSITION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-203-2998A28-239 INTERCHANGEABLE
Coupling Half,quick Disconnect
Dresser Industries Inc Leroi Div
5340-00-422-16121041C INTERCHANGEABLE
Key Blank
Ilco Unican Corp Dba Wolf Sales
6625-00-477-206394-823-3 INTERCHANGEABLE
Meter,multiple Scale
Raytheon Company Dba Raytheon Co
6760-00-481-2234 INTERCHANGEABLE
Head Assembly,tripo
7510-00-555-2311AM1 INTERCHANGEABLE
Dry Transfer Kit
Russell Industries Inc Dba Russell Industries Inc
5365-00-680-949211776896-9 INTERCHANGEABLE
Shim
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5305-00-779-5134SCH329 INTERCHANGEABLE
Thumbscrew
Hutchinson Aerospace & Industry, Inc. Dba Vlier Div Vlier
6210-00-990-4645 INTERCHANGEABLE
Lens,light
5930-01-070-4268SM-A-778151-1 INTERCHANGEABLE
Switch,rotary
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
8455-01-559-1349 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
AM-1 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
DAM-1 Allied Devices Corp Dba Absolute Precision Co (USA)
AMI Roller Bearing Co of America, Inc Div Pic Design (USA)
MILB5687 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
GN-1 Designatronics Incorporated Div Sterling Instruments Div (USA)
S5036Y-GN-1 PRIMARY Designatronics Incorporated Div Sterling Instruments Div (USA)
B3-13 W. M. Berg, Inc. (USA)
Related Parts
4730-00-203-2998INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
A28-239
5340-00-422-1612INTERCHANGEABLE
KEY BLANK
1041C
6625-00-477-2063INTERCHANGEABLE
METER,MULTIPLE SCALE
94-823-3
6760-00-481-2234INTERCHANGEABLE
HEAD ASSEMBLY,TRIPO
7510-00-555-2311INTERCHANGEABLE
DRY TRANSFER KIT
AM1
5365-00-680-9492INTERCHANGEABLE
SHIM
11776896-9
5305-00-779-5134INTERCHANGEABLE
THUMBSCREW
SCH329
6210-00-990-4645INTERCHANGEABLE
LENS,LIGHT
5930-01-070-4268INTERCHANGEABLE
SWITCH,ROTARY
SM-A-778151-1
8455-01-559-1349INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-559-3690INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
5985-01-587-7470INTERCHANGEABLE
BASE,ANTENNA SUPPORT
AM-1

Frequently Asked Questions

What is NSN 3120-00-953-2348?

NSN 3120-00-953-2348 is a Bearing,sleeve, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-953-2348?

NSN 3120-00-953-2348 has 7 cross-referenced part numbers: AM-1 (Roller Bearing Co of America, Inc Div Pic Design), DAM-1 (Allied Devices Corp Dba Absolute Precision Co), AMI (Roller Bearing Co of America, Inc Div Pic Design), MILB5687 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), GN-1 (Designatronics Incorporated Div Sterling Instruments Div) and 2 more.

What NSN replaces 3120-00-953-2348?

There are 12 known substitutes for 3120-00-953-2348: 4730-00-203-2998, 5340-00-422-1612, 6625-00-477-2063 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AM-1?

Key specifications for AM-1: Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: COPPER ALLOY OVERALL; Body Outside Diameter: 0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN; Overall Length: 0.1532 INCHES MINIMUM AND 0.1562 INCHES MAXIMUM IN. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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