PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77480Bearing,sleeve

Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc · NSN 3120-00-988-1705 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-988-1705 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-988-1705. Primary manufacturer part number: 77480.
Features
  • Bearing,sleeve — FSC 3120
  • Surface Finish: 63.0 MICROINCHES OVERALL
  • Body Outside Diameter: 0.7505 INCHES MINIMUM AND 0.7508 INCHES MAXIMUM IN
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
  • Flange Outside Diameter: 0.8020 INCHES MINIMUM AND 0.8220 INCHES MAXIMUM IN
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Corner Shape: SQUARE LEFT FLANGE BODY CORNER
  • Corner Shape: SQUARE INSIDE LEFT CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 172 or Copper Alloy 173 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-988-1705, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN3120-00-988-1705
Primary Part Number77480
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerAssociated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc
StatusACTIVE
Surface Finish63.0 MICROINCHES OVERALL
Body Outside Diameter0.7505 INCHES MINIMUM AND 0.7508 INCHES MAXIMUM IN
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Flange Outside Diameter0.8020 INCHES MINIMUM AND 0.8220 INCHES MAXIMUM IN
Corner ShapeSQUARE INSIDE RIGHT CORNER
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Corner ShapeSQUARE INSIDE LEFT CORNER
Material Document and ClassificationQQ-C-530 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Body Inside Diameter0.6875 INCHES MINIMUM AND 0.6880 INCHES MAXIMUM IN
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Flange Width0.0470 INCHES NOMINAL IN
MaterialCOPPER ALLOY 172 OR COPPER ALLOY 173 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-054-775318008 INTERCHANGEABLE
Gasket
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5133-00-189-9253 INTERCHANGEABLE
Drill,twist
4730-00-202-650418008 INTERCHANGEABLE
Clamp,hose
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
3455-00-239-560118008 INTERCHANGEABLE
Cutter,milling,involute Gear
Precision Industries Inc Sharpaloy Div
5990-00-583-3701RS911-4A INTERCHANGEABLE
Synchro,transmitter
Kearfott Corporation Div Guidance and Navigation Division
2610-00-733-1930 INTERCHANGEABLE
Tire,pneumatic,vehicular
2610-00-999-3900RTR171F INTERCHANGEABLE
Tire,pneumatic,vehicular
Titan Tire Corporation
4730-01-051-942060P-8 INTERCHANGEABLE
Sleeve,compression,tube-Hose Fit
Parker-Hannifin Corp Div Fluid System Connector Division
3040-01-194-01941800-8 INTERCHANGEABLE
Hub
Ametek Inc Schutte and Koerting Div
2610-01-392-1401 INTERCHANGEABLE
Inner Tube,pneumatic Tire,vehicu
Cross-Reference Index
Part NumberManufacturer
77480 Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA)
18008 Raytheon Company Dba Raytheon (USA)
77480 Drs Sustainment Systems, Inc. (USA)
77480 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
Related Parts
5330-00-054-7753INTERCHANGEABLE
GASKET
18008
5133-00-189-9253INTERCHANGEABLE
DRILL,TWIST
4730-00-202-6504INTERCHANGEABLE
CLAMP,HOSE
18008
3455-00-239-5601INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
18008
5990-00-583-3701INTERCHANGEABLE
SYNCHRO,TRANSMITTER
RS911-4A
2610-00-733-1930INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
2610-00-999-3900INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
RTR171F
4730-01-051-9420INTERCHANGEABLE
SLEEVE,COMPRESSION,TUBE-HOSE FIT
60P-8
3040-01-194-0194INTERCHANGEABLE
HUB
1800-8
2610-01-392-1401INTERCHANGEABLE
INNER TUBE,PNEUMATIC TIRE,VEHICU
5340-01-415-8863INTERCHANGEABLE
PLUG,VENT
18002
5935-01-529-6075INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL

Frequently Asked Questions

What is NSN 3120-00-988-1705?

NSN 3120-00-988-1705 is a Bearing,sleeve, manufactured by Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-988-1705?

NSN 3120-00-988-1705 has 4 cross-referenced part numbers: 77480 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc), 18008 (Raytheon Company Dba Raytheon), 77480 (Drs Sustainment Systems, Inc.), 77480 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division).

What NSN replaces 3120-00-988-1705?

There are 12 known substitutes for 3120-00-988-1705: 5330-00-054-7753, 5133-00-189-9253, 4730-00-202-6504 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77480?

Key specifications for 77480: Surface Finish: 63.0 MICROINCHES OVERALL; Overall Length: 0.5470 INCHES NOMINAL IN; Body Outside Diameter: 0.7505 INCHES MINIMUM AND 0.7508 INCHES MAXIMUM IN; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER. 15 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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