PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

327964Bearing,plain,spherical

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 3120-00-540-5827 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-540-5827 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-540-5827. Primary manufacturer part number: 327964.
Features
  • Bearing,plain,spherical — FSC 3120
  • Body Inside Diameter: 0.5520 INCHES MINIMUM AND 0.5540 INCHES MAXIMUM IN
  • Material Document and Classification: AMS5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: SOLID
  • Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
  • Corner Shape: SQUARE INSIDE LEFT CORNER
  • Material: STEEL COMP 410 OVERALL
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Comp 410 Overall construction
General Description

The Bearing,plain,spherical, cataloged under National Stock Number 3120-00-540-5827, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3120-00-540-5827
Primary Part Number327964
Item NameBearing,plain,spherical
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusCANCELLED
Body Inside Diameter0.5520 INCHES MINIMUM AND 0.5540 INCHES MAXIMUM IN
Material Document and ClassificationAMS5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorSOLID
Hardness Rating30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
Corner ShapeSQUARE INSIDE LEFT CORNER
MaterialSTEEL COMP 410 OVERALL
Corner ShapeSQUARE INSIDE RIGHT CORNER
Spherical Body Diameter0.8710 INCHES MINIMUM AND 0.8720 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5940-00-825-5816MS17143-17 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
5331-01-476-758732-7964 INTERCHANGEABLE
O-Ring
Aqua-Chem, Inc. Dba Aqua-Chem Inc
2510-01-548-7027 INTERCHANGEABLE
Cowl,hood,vehicular
Cross-Reference Index
Part NumberManufacturer
327964 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
327964 Turbo Power & Marine System Inc Sub of United Technologies Corp (USA)
Related Parts
5940-00-825-5816INTERCHANGEABLE
TERMINAL,LUG
MS17143-17
5331-01-476-7587INTERCHANGEABLE
O-RING
32-7964
2510-01-548-7027INTERCHANGEABLE
COWL,HOOD,VEHICULAR

Frequently Asked Questions

What is NSN 3120-00-540-5827?

NSN 3120-00-540-5827 is a Bearing,plain,spherical, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3120-00-540-5827?

NSN 3120-00-540-5827 has 2 cross-referenced part numbers: 327964 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 327964 (Turbo Power & Marine System Inc Sub of United Technologies Corp).

What NSN replaces 3120-00-540-5827?

There are 3 known substitutes for 3120-00-540-5827: 5940-00-825-5816, 5331-01-476-7587, 2510-01-548-7027. Verify interchangeability with system specifications before substitution.

What are the specifications of 327964?

Key specifications for 327964: Body Inside Diameter: 0.5520 INCHES MINIMUM AND 0.5540 INCHES MAXIMUM IN; Material Document and Classification: AMS5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Style Designator: SOLID; Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3120-00-540-5827 still in active supply?

NSN 3120-00-540-5827 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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