PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A15649Bearing,sleeve

Richards Imagery Interpretation Systems, L.l.c. · NSN 3120-00-253-3261 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-253-3261 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-253-3261. Primary manufacturer part number: A15649.
Features
  • Bearing,sleeve — FSC 3120
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • 1 verified cross-reference
  • Primary manufacturer: Richards Imagery Interpretation Systems, L.l.c.
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-00-253-3261, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Richards Imagery Interpretation Systems, L.l.c.. Government technical data includes 1 verified specification, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-253-3261
Primary Part NumberA15649
Item NameBearing,sleeve
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRichards Imagery Interpretation Systems, L.l.c.
StatusACTIVE
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5977-00-090-2604 INTERCHANGEABLE
Brush,electrical Contact
6625-01-194-76175168566 INTERCHANGEABLE
Lead,test
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
A15649 Richards Imagery Interpretation Systems, L.l.c. (USA)
Related Parts
5977-00-090-2604INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
6625-01-194-7617INTERCHANGEABLE
LEAD,TEST
5168566

Frequently Asked Questions

What is NSN 3120-00-253-3261?

NSN 3120-00-253-3261 is a Bearing,sleeve, manufactured by Richards Imagery Interpretation Systems, L.l.c., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-253-3261?

NSN 3120-00-253-3261 has 1 cross-referenced part number: A15649 (Richards Imagery Interpretation Systems, L.l.c.).

What NSN replaces 3120-00-253-3261?

There are 2 known substitutes for 3120-00-253-3261: 5977-00-090-2604, 6625-01-194-7617. Verify interchangeability with system specifications before substitution.

What are the specifications of A15649?

Key specifications for A15649: Style Designator: SOLID, EXTERNAL FLANGE ONE END; Overall Length: 0.5000 INCHES NOMINAL IN. 2 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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