PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31048Bearing,sleeve

Bfm Energy Products Corp · NSN 3120-00-815-1243 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-815-1243 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-815-1243. Primary manufacturer part number: 31048.
Features
  • Bearing,sleeve — FSC 3120
  • Body Outside Diameter: 0.2400 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN
  • Material Document and Classification: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Material: STEEL COMP 4130 OVERALL
  • Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
  • Surface Finish: 63.0 MICROINCHES RIGHT END SURFACE OF BODY
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 4130 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-815-1243, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Bfm Energy Products Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN3120-00-815-1243
Primary Part Number31048
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerBfm Energy Products Corp
StatusACTIVE
Body Outside Diameter0.2400 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN
Material Document and ClassificationMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface Finish32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
MaterialSTEEL COMP 4130 OVERALL
Surface Finish63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
Surface Finish63.0 MICROINCHES RIGHT END SURFACE OF BODY
Surface Finish63.0 MICROINCHES LEFT END SURFACE OF BODY
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter0.0938 INCHES MINIMUM AND 0.0948 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-003-946531048 INTERCHANGEABLE
Gasket
Mcneil Ohio Corp
5120-00-277-1246 INTERCHANGEABLE
Wrench,open End
5120-00-293-079321708 INTERCHANGEABLE
Punch,drive Pin
Mayhew Steel Products Inc
3110-00-830-880229552737 INTERCHANGEABLE
Retainer and Rollers,bearing
Allison Transmission Inc Dba Allison Transmission, Inc
3456-01-139-4977 INTERCHANGEABLE
CAGE Assembly,roller Tube Expand
4720-01-148-1455 INTERCHANGEABLE
Hose Assembly,nonmetallic
6550-01-153-4361231048 INTERCHANGEABLE
Differentiation Discs,microorgan
Becton, Dickinson and Company Dba Becton Dickinson & Co
5360-01-211-734131048C INTERCHANGEABLE
Spring,helical,compression
Griswold Industries Dba Cla-Val Co
6515-01-289-2001310.48 INTERCHANGEABLE
Drill,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
2825-01-613-061331048 INTERCHANGEABLE
Piston Rod,governor
Woodward, Inc.
Cross-Reference Index
Part NumberManufacturer
31048 Bfm Energy Products Corp (USA)
Related Parts
5330-00-003-9465INTERCHANGEABLE
GASKET
31048
5120-00-277-1246INTERCHANGEABLE
WRENCH,OPEN END
5120-00-293-0793INTERCHANGEABLE
PUNCH,DRIVE PIN
21708
3110-00-830-8802INTERCHANGEABLE
RETAINER AND ROLLERS,BEARING
29552737
3456-01-139-4977INTERCHANGEABLE
CAGE ASSEMBLY,ROLLER TUBE EXPAND
4720-01-148-1455INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
6550-01-153-4361INTERCHANGEABLE
DIFFERENTIATION DISCS,MICROORGAN
231048
5360-01-211-7341INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
31048C
6515-01-289-2001INTERCHANGEABLE
DRILL,BONE
310.48
2825-01-613-0613INTERCHANGEABLE
PISTON ROD,GOVERNOR
31048
5430-01-618-5205INTERCHANGEABLE
TANK,PRESSURE
5310-01-705-9023INTERCHANGEABLE
NUT,PLAIN,ROUND
31048

Frequently Asked Questions

What is NSN 3120-00-815-1243?

NSN 3120-00-815-1243 is a Bearing,sleeve, manufactured by Bfm Energy Products Corp, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-815-1243?

NSN 3120-00-815-1243 has 1 cross-referenced part number: 31048 (Bfm Energy Products Corp).

What NSN replaces 3120-00-815-1243?

There are 12 known substitutes for 3120-00-815-1243: 5330-00-003-9465, 5120-00-277-1246, 5120-00-293-0793 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31048?

Key specifications for 31048: Body Outside Diameter: 0.2400 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Surface Finish: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 11 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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