PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74530Bearing,sleeve

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 3120-00-775-6488 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-775-6488 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-775-6488. Primary manufacturer part number: 74530.
Features
  • Bearing,sleeve — FSC 3120
  • Corner Shape: SQUARE ALL CORNERS
  • Material Document and Classification: MIL-B-6946 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY 630 OVERALL
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Inside Diameter: 0.7300 INCHES MINIMUM AND 0.7400 INCHES MAXIMUM IN
  • Lubricant Accommodation Style: GROOVED DOUBLE LOOP
  • Body Outside Diameter: 1.1250 INCHES MINIMUM AND 1.1260 INCHES MAXIMUM IN
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 630 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-775-6488, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 7 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-775-6488
Primary Part Number74530
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Corner ShapeSQUARE ALL CORNERS
Material Document and ClassificationMIL-B-6946 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY 630 OVERALL
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter0.7300 INCHES MINIMUM AND 0.7400 INCHES MAXIMUM IN
Lubricant Accommodation StyleGROOVED DOUBLE LOOP
Body Outside Diameter1.1250 INCHES MINIMUM AND 1.1260 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6635-00-025-915274530 INTERCHANGEABLE
Jar,cloud and Pour Point Test
Precision Scientific Petroleum Instruments Co
Cross-Reference Index
Part NumberManufacturer
74530 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
6635-00-025-9152INTERCHANGEABLE
JAR,CLOUD AND POUR POINT TEST
74530

Frequently Asked Questions

What is NSN 3120-00-775-6488?

NSN 3120-00-775-6488 is a Bearing,sleeve, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-775-6488?

NSN 3120-00-775-6488 has 1 cross-referenced part number: 74530 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 3120-00-775-6488?

There is 1 known substitute for 3120-00-775-6488: 6635-00-025-9152. Verify interchangeability with system specifications before substitution.

What are the specifications of 74530?

Key specifications for 74530: Corner Shape: SQUARE ALL CORNERS; Special Features: EXTERNAL SURFACE GROOVE; Material Document and Classification: MIL-B-6946 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: COPPER ALLOY 630 OVERALL. 9 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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