PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF1207-2Bearing,sleeve

Beemer Precision Inc · NSN 3120-00-287-8037 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-287-8037 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-287-8037. Primary manufacturer part number: FF1207-2.
Features
  • Bearing,sleeve — FSC 3120
  • Material: COPPER ALLOY OVERALL
  • Material: OIL LUBRICATING LUBRICATION
  • Corner Shape: ROUND LEFT FLANGE BODY CORNER
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Body Outside Diameter: 1.2510 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
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 3120-00-287-8037, 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 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-287-8037
Primary Part NumberFF1207-2
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBeemer Precision Inc
StatusCANCELLED
MaterialCOPPER ALLOY OVERALL
MaterialOIL LUBRICATING LUBRICATION
Corner ShapeROUND LEFT FLANGE BODY CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Body Outside Diameter1.2510 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Body Inside Diameter1.0010 INCHES MINIMUM AND 1.0020 INCHES MAXIMUM IN
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Flange Outside Diameter1.6225 INCHES MINIMUM AND 1.6275 INCHES MAXIMUM IN
Flange Width0.1250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3120-00-287-754627J661-28 INTERCHANGEABLE
Bearing,sleeve
Westinghouse Electric Corp
3120-00-287-8054517415-12 INTERCHANGEABLE
Bearing,washer,thrust
Instruments and Flight Research, Inc.
3120-00-516-1985 INTERCHANGEABLE
Bearing,sleeve
3120-00-618-5637FB1013-8 INTERCHANGEABLE
Bearing,sleeve
Altra Industrial Motion Corp.
1430-01-655-866564913 INTERCHANGEABLE
Handler,locking
Tld Ace Corp Div Tld Ace
Cross-Reference Index
Part NumberManufacturer
F1207-2 Chrysler Corp Amplex Div (USA)
64913 Heintz Corp (USA)
F1207-2 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
FF1207-2 PRIMARY Beemer Precision Inc (USA)
ASTM B438/B438M American Society for Testing and Materials Dba Astm International (USA)
FF1207 (5/8 INCHES) PRIMARY Beemer Precision Inc (USA)
Related Parts
3120-00-287-7546INTERCHANGEABLE
BEARING,SLEEVE
27J661-28
3120-00-287-8054INTERCHANGEABLE
BEARING,WASHER,THRUST
517415-12
3120-00-516-1985INTERCHANGEABLE
BEARING,SLEEVE
3120-00-618-5637INTERCHANGEABLE
BEARING,SLEEVE
FB1013-8
1430-01-655-8665INTERCHANGEABLE
HANDLER,LOCKING
64913

Frequently Asked Questions

What is NSN 3120-00-287-8037?

NSN 3120-00-287-8037 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 3120-00-287-8037?

NSN 3120-00-287-8037 has 6 cross-referenced part numbers: F1207-2 (Chrysler Corp Amplex Div), 64913 (Heintz Corp), F1207-2 (Chrysler Realty Company Llc Dba Daimler Chrysler), FF1207-2 (Beemer Precision Inc), ASTM B438/B438M (American Society for Testing and Materials Dba Astm International) and 1 more.

What NSN replaces 3120-00-287-8037?

There are 5 known substitutes for 3120-00-287-8037: 3120-00-287-7546, 3120-00-287-8054, 3120-00-516-1985 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FF1207-2?

Key specifications for FF1207-2: Material: COPPER ALLOY OVERALL; Material: OIL LUBRICATING LUBRICATION; Corner Shape: ROUND LEFT FLANGE BODY CORNER; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-287-8037 still in active supply?

NSN 3120-00-287-8037 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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