PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF310-1Bearing,sleeve

Beemer Precision Inc · NSN 3120-00-287-7396 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-287-7396 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-287-7396. Primary manufacturer part number: FF310-1.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 0.3800 INCHES MINIMUM AND 0.3810 INCHES MAXIMUM IN
  • Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY OVERALL
  • Corner Shape: SQUARE LEFT FLANGE BODY CORNER
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
  • Corner Shape: SQUARE INSIDE LEFT CORNER
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 3120-00-287-7396, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Beemer Precision Inc. Government technical data includes 14 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-287-7396
Primary Part NumberFF310-1
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBeemer Precision Inc
StatusCANCELLED
Body Outside Diameter0.3800 INCHES MINIMUM AND 0.3810 INCHES MAXIMUM IN
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY OVERALL
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
MaterialOIL LUBRICATING LUBRICATION
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Flange Width0.0625 INCHES NOMINAL IN
Flange Outside Diameter0.4975 INCHES MINIMUM AND 0.5025 INCHES MAXIMUM IN
Body Inside Diameter0.2490 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5915-00-240-2821SMC563349-15 INTERCHANGEABLE
Filter,band Pass
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3120-00-294-0731BB1111PT1 INTERCHANGEABLE
Bearing,sleeve
Bae Systems Information and Electronic Systems Integration Inc.
Cross-Reference Index
Part NumberManufacturer
FF310-1 Chrysler Corp Amplex Div (USA)
503897-19 Instruments and Flight Research, Inc. (USA)
FF310-1 Eagle-Picher Industries Inc Kingwell Div (USA)
F310-1 Chrysler Corp Amplex Div (USA)
FF310-1 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
FF310-1 PRIMARY Beemer Precision Inc (USA)
F310-1 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
Related Parts
5915-00-240-2821INTERCHANGEABLE
FILTER,BAND PASS
SMC563349-15
3120-00-294-0731INTERCHANGEABLE
BEARING,SLEEVE
BB1111PT1

Frequently Asked Questions

What is NSN 3120-00-287-7396?

NSN 3120-00-287-7396 is a Bearing,sleeve, manufactured by Beemer Precision Inc, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-287-7396?

NSN 3120-00-287-7396 has 7 cross-referenced part numbers: FF310-1 (Chrysler Corp Amplex Div), 503897-19 (Instruments and Flight Research, Inc.), FF310-1 (Eagle-Picher Industries Inc Kingwell Div), F310-1 (Chrysler Corp Amplex Div), FF310-1 (Chrysler Realty Company Llc Dba Daimler Chrysler) and 2 more.

What NSN replaces 3120-00-287-7396?

There are 2 known substitutes for 3120-00-287-7396: 5915-00-240-2821, 3120-00-294-0731. Verify interchangeability with system specifications before substitution.

What are the specifications of FF310-1?

Key specifications for FF310-1: Body Outside Diameter: 0.3800 INCHES MINIMUM AND 0.3810 INCHES MAXIMUM IN; Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: COPPER ALLOY OVERALL; Corner Shape: SQUARE LEFT FLANGE BODY CORNER. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-287-7396 still in active supply?

NSN 3120-00-287-7396 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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