PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49381Bearing,washer,thrust

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 3120-00-474-3395 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-474-3395 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-474-3395. Primary manufacturer part number: 49381.
Features
  • Bearing,washer,thrust — FSC 3120
  • Outside Diameter: 2.3800 INCHES NOMINAL IN
  • Flange Thickness: 0.0610 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN
  • Shank Outside Diameter: 1.7510 INCHES MINIMUM AND 1.7520 INCHES MAXIMUM IN
  • Diameter: 1.6140 INCHES MINIMUM AND 1.6160 INCHES MAXIMUM IN
  • Overall Thickness: 0.2950 INCHES MINIMUM AND 0.3050 INCHES MAXIMUM IN
  • Hardness Rating: 40.0 ROCKWELL C NOMINAL OVERALL
  • Corner Shape: SQUARE ALL CORNERS
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Structural fastening and assembly
  • Equipment mounting
General Description

The Bearing,washer,thrust, cataloged under National Stock Number 3120-00-474-3395, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 12 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: Active.

Technical Specifications
ParameterValue
NSN3120-00-474-3395
Primary Part Number49381
Item NameBearing,washer,thrust
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Outside Diameter2.3800 INCHES NOMINAL IN
Flange Thickness0.0610 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN
Shank Outside Diameter1.7510 INCHES MINIMUM AND 1.7520 INCHES MAXIMUM IN
Diameter1.6140 INCHES MINIMUM AND 1.6160 INCHES MAXIMUM IN
Overall Thickness0.2950 INCHES MINIMUM AND 0.3050 INCHES MAXIMUM IN
Hardness Rating40.0 ROCKWELL C NOMINAL OVERALL
Corner ShapeSQUARE ALL CORNERS
Style DesignatorROUND
Center Hole Shape StyleROUND
Material Document and ClassificationAMS 4820 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Cross-Sectional Shape StyleSHOULDERED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-291-639649381 INTERCHANGEABLE
Seal,plain Encased
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
6625-01-576-344549381 INTERCHANGEABLE
Inductor,decade
Pico Electronics Inc
1005-01-616-134349381 INTERCHANGEABLE
Barrel,machine Gun
Fn America Llc Div Columbia, Sc
Cross-Reference Index
Part NumberManufacturer
49381 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
49381 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5330-00-291-6396INTERCHANGEABLE
SEAL,PLAIN ENCASED
49381
6625-01-576-3445INTERCHANGEABLE
INDUCTOR,DECADE
49381
1005-01-616-1343INTERCHANGEABLE
BARREL,MACHINE GUN
49381

Frequently Asked Questions

What is NSN 3120-00-474-3395?

NSN 3120-00-474-3395 is a Bearing,washer,thrust, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-474-3395?

NSN 3120-00-474-3395 has 2 cross-referenced part numbers: 49381 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 49381 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 3120-00-474-3395?

There are 3 known substitutes for 3120-00-474-3395: 5330-00-291-6396, 6625-01-576-3445, 1005-01-616-1343. Verify interchangeability with system specifications before substitution.

What are the specifications of 49381?

Key specifications for 49381: Outside Diameter: 2.3800 INCHES NOMINAL IN; Flange Thickness: 0.0610 INCHES MINIMUM AND 0.0630 INCHES MAXIMUM IN; Shank Outside Diameter: 1.7510 INCHES MINIMUM AND 1.7520 INCHES MAXIMUM IN; Diameter: 1.6140 INCHES MINIMUM AND 1.6160 INCHES MAXIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com