PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7L7FBearing,sleeve

Thomson Industries Inc · NSN 3120-00-874-2677 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-874-2677 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-874-2677. Primary manufacturer part number: 7L7F.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Body Inside Diameter: 0.4385 INCHES MINIMUM AND 0.4395 INCHES MAXIMUM IN
  • Corner Shape: SQUARE OUTSIDE LEFT CORNER
  • Body Outside Diameter: 0.4995 INCHES MINIMUM AND 0.5005 INCHES MAXIMUM IN
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
  • Corner Shape: SQUARE LEFT FLANGE BODY CORNER
  • Style Designator: SPLIT, EXTERNAL FLANGE ONE END
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Plastic Polyamide Nylon Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-874-2677, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Thomson Industries Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN3120-00-874-2677
Primary Part Number7L7F
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerThomson Industries Inc
StatusCANCELLED
Corner ShapeSQUARE INSIDE RIGHT CORNER
Body Inside Diameter0.4385 INCHES MINIMUM AND 0.4395 INCHES MAXIMUM IN
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Body Outside Diameter0.4995 INCHES MINIMUM AND 0.5005 INCHES MAXIMUM IN
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Style DesignatorSPLIT, EXTERNAL FLANGE ONE END
Flange Outside Diameter0.6400 INCHES MINIMUM AND 0.6720 INCHES MAXIMUM IN
MaterialPLASTIC POLYAMIDE NYLON OVERALL
Corner ShapeSQUARE INSIDE LEFT CORNER
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Flange Width0.0250 INCHES MINIMUM AND 0.0300 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5110-01-104-5399 INTERCHANGEABLE
Stripper,wire,hand
3120-01-260-02076289528 INTERCHANGEABLE
Bushing
Thomson Industries Inc
Cross-Reference Index
Part NumberManufacturer
4518-2 Lockheed Martin Corporation Div Rms (USA)
102710-7 L3harris Technologies, Inc. (USA)
7L7F PRIMARY Thomson Industries Inc (USA)
10863398 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
4518-2 Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems (USA)
Related Parts
5110-01-104-5399INTERCHANGEABLE
STRIPPER,WIRE,HAND
3120-01-260-0207INTERCHANGEABLE
BUSHING
6289528

Frequently Asked Questions

What is NSN 3120-00-874-2677?

NSN 3120-00-874-2677 is a Bearing,sleeve, manufactured by Thomson Industries Inc, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-874-2677?

NSN 3120-00-874-2677 has 5 cross-referenced part numbers: 4518-2 (Lockheed Martin Corporation Div Rms), 102710-7 (L3harris Technologies, Inc.), 7L7F (Thomson Industries Inc), 10863398 (U S Army Tank Automotive Command Amsta-Im-Mm), 4518-2 (Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems).

What NSN replaces 3120-00-874-2677?

There are 2 known substitutes for 3120-00-874-2677: 5110-01-104-5399, 3120-01-260-0207. Verify interchangeability with system specifications before substitution.

What are the specifications of 7L7F?

Key specifications for 7L7F: Corner Shape: SQUARE INSIDE RIGHT CORNER; Body Inside Diameter: 0.4385 INCHES MINIMUM AND 0.4395 INCHES MAXIMUM IN; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Body Outside Diameter: 0.4995 INCHES MINIMUM AND 0.5005 INCHES MAXIMUM IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-874-2677 still in active supply?

NSN 3120-00-874-2677 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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