PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF703-1Bearing,sleeve

Chrysler Corp Amplex Div · NSN 3120-00-287-7546 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-287-7546 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-287-7546. Primary manufacturer part number: FF703-1.
Features
  • Bearing,sleeve — FSC 3120
  • Body Inside Diameter: 0.6255 INCHES MINIMUM AND 0.6265 INCHES MAXIMUM IN
  • Body Outside Diameter: 0.7515 INCHES MINIMUM AND 0.7525 INCHES MAXIMUM IN
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Material: COPPER ALLOY OVERALL
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Material Document and Classification: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Corner Shape: SQUARE OUTSIDE 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 3120-00-287-7546, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 28 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-287-7546
Primary Part NumberFF703-1
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerChrysler Corp Amplex Div
StatusCANCELLED
Body Inside Diameter0.6255 INCHES MINIMUM AND 0.6265 INCHES MAXIMUM IN
Body Outside Diameter0.7515 INCHES MINIMUM AND 0.7525 INCHES MAXIMUM IN
Corner ShapeSQUARE INSIDE LEFT CORNER
MaterialCOPPER ALLOY OVERALL
Corner ShapeSQUARE INSIDE RIGHT CORNER
Material Document and ClassificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeROUND LEFT FLANGE BODY CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
MaterialOIL LUBRICATING LUBRICATION
Flange Width0.0938 INCHES NOMINAL IN
Flange Outside Diameter0.9975 INCHES MINIMUM AND 1.0025 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
3120-00-287-8037FF1207 (5/8 INCHES) INTERCHANGEABLE
Bearing,sleeve
Beemer Precision Inc
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.
Cross-Reference Index
Part NumberManufacturer
FF703-1 PRIMARY Chrysler Corp Amplex Div (USA)
27J661-28 Westinghouse Electric Corp Control Business Unit
FF703-1 Eagle-Picher Industries Inc Kingwell Div (USA)
42J559PC207 PRIMARY Westinghouse Electric Corp (USA)
3120-2 SH ST 6 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
40J559PC217 PRIMARY Westinghouse Electric Corp (USA)
ASTM B 438/B 438M American Society for Testing and Materials Dba Astm International (USA)
40J569PC33 Westinghouse Electric Corp Control Business Unit
MS17796-79 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
40J570PC33 PRIMARY Westinghouse Electric Corp (USA)
54323S5001-871008PC33 PRIMARY Naval Ship Systems Command (USA)
40J570PC33 Westinghouse Electric Corp Control Business Unit
27J684PC24 PRIMARY Westinghouse Electric Corp (USA)
42J559PC207 Westinghouse Electric Corp Control Business Unit
F703-1 PRIMARY Westinghouse Electric Corp (USA)
27J684PC24 Westinghouse Electric Corp Control Business Unit
HF703-1 PRIMARY Chrysler Corp Amplex Div (USA)
27J661-28 PRIMARY Westinghouse Electric Corp (USA)
40J569PC33 PRIMARY Westinghouse Electric Corp (USA)
40J559PC217 Westinghouse Electric Corp Control Business Unit
Related Parts
3120-00-287-8037INTERCHANGEABLE
BEARING,SLEEVE
FF1207 (5/8 INCHES)
3120-00-287-8054INTERCHANGEABLE
BEARING,WASHER,THRUST
517415-12
3120-00-516-1985INTERCHANGEABLE
BEARING,SLEEVE
3120-00-618-5637INTERCHANGEABLE
BEARING,SLEEVE
FB1013-8

Frequently Asked Questions

What is NSN 3120-00-287-7546?

NSN 3120-00-287-7546 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 3120-00-287-7546?

NSN 3120-00-287-7546 has 28 cross-referenced part numbers: FF703-1 (Chrysler Corp Amplex Div), 27J661-28 (Westinghouse Electric Corp Control Business Unit), FF703-1 (Eagle-Picher Industries Inc Kingwell Div), 42J559PC207 (Westinghouse Electric Corp), 3120-2 SH ST 6 (Defense Logistics Agency Dba Defense Supply Center Philadelphia) and 23 more.

What NSN replaces 3120-00-287-7546?

There are 4 known substitutes for 3120-00-287-7546: 3120-00-287-8037, 3120-00-287-8054, 3120-00-516-1985 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FF703-1?

Key specifications for FF703-1: Body Inside Diameter: 0.6255 INCHES MINIMUM AND 0.6265 INCHES MAXIMUM IN; Overall Length: 1.0000 INCHES NOMINAL IN; Body Outside Diameter: 0.7515 INCHES MINIMUM AND 0.7525 INCHES MAXIMUM IN; Corner Shape: SQUARE INSIDE LEFT CORNER. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-287-7546 still in active supply?

NSN 3120-00-287-7546 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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