PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B1269Bearing,sleeve

Graham Co Inc · NSN 3120-00-138-0126 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-138-0126 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-138-0126. Primary manufacturer part number: B1269.
Features
  • Bearing,sleeve — FSC 3120
  • Body Inside Diameter: 0.3770 INCHES MINIMUM AND 0.3775 INCHES MAXIMUM IN
  • Material Document and Classification: SAE CA932 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY 932 OVERALL
  • Corner Shape: SQUARE ALL CORNERS
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
  • Body Outside Diameter: 0.5020 INCHES MINIMUM AND 0.5025 INCHES MAXIMUM IN
  • 1 verified cross-reference
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Copper Alloy 932 Overall construction
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-138-0126, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Graham Co Inc. Government technical data includes 6 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
NSN3120-00-138-0126
Primary Part NumberB1269
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerGraham Co Inc
StatusACTIVE
Body Inside Diameter0.3770 INCHES MINIMUM AND 0.3775 INCHES MAXIMUM IN
Material Document and ClassificationSAE CA932 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY 932 OVERALL
Corner ShapeSQUARE ALL CORNERS
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES
Body Outside Diameter0.5020 INCHES MINIMUM AND 0.5025 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5935-00-053-945410679592 INTERCHANGEABLE
Adapter,connector
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
B1269 PRIMARY Graham Co Inc (USA)
Related Parts
5935-00-053-9454INTERCHANGEABLE
ADAPTER,CONNECTOR
10679592

Frequently Asked Questions

What is NSN 3120-00-138-0126?

NSN 3120-00-138-0126 is a Bearing,sleeve, manufactured by Graham Co Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-138-0126?

NSN 3120-00-138-0126 has 1 cross-referenced part number: B1269 (Graham Co Inc).

What NSN replaces 3120-00-138-0126?

There is 1 known substitute for 3120-00-138-0126: 5935-00-053-9454. Verify interchangeability with system specifications before substitution.

What are the specifications of B1269?

Key specifications for B1269: Body Inside Diameter: 0.3770 INCHES MINIMUM AND 0.3775 INCHES MAXIMUM IN; Material Document and Classification: SAE CA932 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: COPPER ALLOY 932 OVERALL; Corner Shape: SQUARE ALL CORNERS. 7 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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