PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5276Bearing,sleeve

Circor Aerospace, Inc. Div Circor · NSN 3120-00-662-4338 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-662-4338 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-662-4338. Primary manufacturer part number: 5276.
Features
  • Bearing,sleeve — FSC 3120
  • Surface Finish: 250.0 MICROINCHES OVERALL
  • Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Flange Outside Diameter: 0.2500 INCHES NOMINAL IN
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-662-4338, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Circor Aerospace, Inc. Div Circor. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN3120-00-662-4338
Primary Part Number5276
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerCircor Aerospace, Inc. Div Circor
StatusACTIVE
Surface Finish250.0 MICROINCHES OVERALL
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Corner ShapeSQUARE INSIDE LEFT CORNER
Flange Outside Diameter0.2500 INCHES NOMINAL IN
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE INSIDE RIGHT CORNER
Body Outside Diameter0.1900 INCHES MINIMUM AND 0.1950 INCHES MAXIMUM IN
Flange Width0.0200 INCHES NOMINAL IN
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
MaterialSTEEL OVERALL
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Body Inside Diameter0.1570 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-146-7447 INTERCHANGEABLE
Gasket
5330-00-285-134665X549 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
9540-00-287-9426 INTERCHANGEABLE
Channel,structural
3030-00-528-3762 INTERCHANGEABLE
Belt,v
6625-00-605-8993 INTERCHANGEABLE
Cap,grounding Wire
5935-00-672-9170209 INTERCHANGEABLE
Connector,plug,electrical
Cooper Wiring Devices Inc.
5935-01-029-89502139-06 INTERCHANGEABLE
Connector,receptacle,electrical
Molex, Llc
5120-01-399-9742 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
5276-3 Goodrich Corp Dba Goodrich Corp (USA)
5276 PRIMARY Circor Aerospace, Inc. Div Circor (USA)
5276 Haskel International, Llc Dba Haskel International, Llc (USA)
Related Parts
5330-00-146-7447INTERCHANGEABLE
GASKET
5330-00-285-1346INTERCHANGEABLE
SEAL,PLAIN ENCASED
65X549
9540-00-287-9426INTERCHANGEABLE
CHANNEL,STRUCTURAL
3030-00-528-3762INTERCHANGEABLE
BELT,V
6625-00-605-8993INTERCHANGEABLE
CAP,GROUNDING WIRE
5935-00-672-9170INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
209
5935-01-029-8950INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2139-06
5120-01-399-9742INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 3120-00-662-4338?

NSN 3120-00-662-4338 is a Bearing,sleeve, manufactured by Circor Aerospace, Inc. Div Circor, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-662-4338?

NSN 3120-00-662-4338 has 3 cross-referenced part numbers: 5276-3 (Goodrich Corp Dba Goodrich Corp), 5276 (Circor Aerospace, Inc. Div Circor), 5276 (Haskel International, Llc Dba Haskel International, Llc).

What NSN replaces 3120-00-662-4338?

There are 8 known substitutes for 3120-00-662-4338: 5330-00-146-7447, 5330-00-285-1346, 9540-00-287-9426 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5276?

Key specifications for 5276: Surface Finish: 250.0 MICROINCHES OVERALL; Corner Shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER; Style Designator: SOLID, EXTERNAL FLANGE ONE END; Corner Shape: SQUARE INSIDE LEFT CORNER. 14 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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