PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF310Bearing,sleeve

Chrysler Corp Amplex Div · NSN 3120-00-113-1538 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-113-1538 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-113-1538. Primary manufacturer part number: FF310.
Features
  • Bearing,sleeve — FSC 3120
  • Material Document and Classification: MIL-B-5687,COMP A OR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Flange Outside Diameter: 0.4630 INCHES MINIMUM AND 0.4730 INCHES MAXIMUM IN
  • Flange Width: 0.0450 INCHES MINIMUM AND 0.0490 INCHES MAXIMUM IN
  • Material: COPPER ALLOY OVERALL
  • Material: OIL LUBRICATING LUBRICATION
  • 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 3120-00-113-1538, 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 15 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-113-1538
Primary Part NumberFF310
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerChrysler Corp Amplex Div
StatusACTIVE
Material Document and ClassificationMIL-B-5687,COMP A OR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Flange Outside Diameter0.4630 INCHES MINIMUM AND 0.4730 INCHES MAXIMUM IN
Flange Width0.0450 INCHES MINIMUM AND 0.0490 INCHES MAXIMUM IN
MaterialCOPPER ALLOY OVERALL
MaterialOIL LUBRICATING LUBRICATION
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Body Inside Diameter0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
Body Outside Diameter0.3765 INCHES MINIMUM AND 0.3775 INCHES MAXIMUM IN
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Nondefinitive Spec/std Data1 TYPE AND A COMPOSITION OR B COMPOSITION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4730-00-200-048432158-35 INTERCHANGEABLE
Packing Nut
Solventum Purification Inc. Div Filtration and Separation Division
4730-00-266-0531120703 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Chrysler Realty Company Llc Dba Daimler Chrysler
5120-00-596-0847 INTERCHANGEABLE
Socket,socket Wrench
5910-00-864-3266 INTERCHANGEABLE
Capacitor
5340-01-117-3735F3-10 INTERCHANGEABLE
Standoff,threaded,spacing
Roller Bearing Co of America, Inc Div Pic Design
4530-01-381-3369 INTERCHANGEABLE
Head,combustion
5950-01-395-2503F3-10 INTERCHANGEABLE
Transformer,power
Magnetek Inc Lighting Products Group
5120-01-661-6704F310 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
FF310 Eagle-Picher Industries Inc Kingwell Div (USA)
F310 Chrysler Corp Amplex Div (USA)
SLF244-3 Masten Bunting Eagle-Picher Bearings Div Eagle-Picher Industries Inc (USA)
FF310 PRIMARY Chrysler Corp Amplex Div (USA)
MILB5687 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FF310 Beemer Precision Inc (USA)
Related Parts
4730-00-200-0484INTERCHANGEABLE
PACKING NUT
32158-35
4730-00-266-0531INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
120703
5120-00-596-0847INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5910-00-864-3266INTERCHANGEABLE
CAPACITOR
5340-01-117-3735INTERCHANGEABLE
STANDOFF,THREADED,SPACING
F3-10
4530-01-381-3369INTERCHANGEABLE
HEAD,COMBUSTION
5950-01-395-2503INTERCHANGEABLE
TRANSFORMER,POWER
F3-10
5120-01-661-6704INTERCHANGEABLE
SOCKET,SOCKET WRENCH
F310

Frequently Asked Questions

What is NSN 3120-00-113-1538?

NSN 3120-00-113-1538 is a Bearing,sleeve, manufactured by Chrysler Corp Amplex Div, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-113-1538?

NSN 3120-00-113-1538 has 6 cross-referenced part numbers: FF310 (Eagle-Picher Industries Inc Kingwell Div), F310 (Chrysler Corp Amplex Div), SLF244-3 (Masten Bunting Eagle-Picher Bearings Div Eagle-Picher Industries Inc), FF310 (Chrysler Corp Amplex Div), MILB5687 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 3120-00-113-1538?

There are 8 known substitutes for 3120-00-113-1538: 4730-00-200-0484, 4730-00-266-0531, 5120-00-596-0847 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FF310?

Key specifications for FF310: Material Document and Classification: MIL-B-5687,COMP A OR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Style Designator: SOLID, EXTERNAL FLANGE ONE END; Flange Outside Diameter: 0.4630 INCHES MINIMUM AND 0.4730 INCHES MAXIMUM IN; Flange Width: 0.0450 INCHES MINIMUM AND 0.0490 INCHES MAXIMUM IN. 16 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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