PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4351Bearing,washer,thrust

Weil Pump Co Inc · NSN 3120-00-051-3682 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-051-3682 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-051-3682. Primary manufacturer part number: 4351.
Features
  • Bearing,washer,thrust — FSC 3120
  • Surface Finish: 32.0 MICROINCHES LEFT SIDE
  • Surface Finish: 32.0 MICROINCHES RIGHT SIDE
  • Material: COPPER ALLOY 903 OVERALL
  • Style Designator: ROUND
  • Corner Shape: SQUARE ALL CORNERS
  • Surface Finish: 16.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
  • Overall Thickness: 0.1875 INCHES NOMINAL IN
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 3120-00-051-3682, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Weil Pump Co Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-051-3682
Primary Part Number4351
Item NameBearing,washer,thrust
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerWeil Pump Co Inc
StatusACTIVE
Surface Finish32.0 MICROINCHES LEFT SIDE
Surface Finish32.0 MICROINCHES RIGHT SIDE
MaterialCOPPER ALLOY 903 OVERALL
Style DesignatorROUND
Corner ShapeSQUARE ALL CORNERS
Surface Finish16.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
Overall Thickness0.1875 INCHES NOMINAL IN
Surface Finish16.0 MICROINCHES LARGEST OUTSIDE DIAMETER
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Diameter2.5312 INCHES NOMINAL IN
Outside Diameter3.4844 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5315-00-010-3362103362 INTERCHANGEABLE
Pin,cotter
Chrysler Realty Company Llc Dba Daimler Chrysler
6625-00-089-479504351 INTERCHANGEABLE
Ammeter
Simpson Electric Company, Inc.
5970-00-144-8190 INTERCHANGEABLE
Insulator,disk
5940-00-215-5959 INTERCHANGEABLE
Terminal Box
6105-00-239-9928B60018 INTERCHANGEABLE
Winding,motor Field
Aljers Llc
6105-00-246-7111D37010PC28 INTERCHANGEABLE
Winding,motor Field
Electric Boat Corporation Div General Dynamics Electric Boat
5996-00-428-3929697877-02 INTERCHANGEABLE
Amplifier,direct Current
Cae Usa Inc.
5805-00-708-2202 INTERCHANGEABLE
Switchboard,telephone,manual
5305-00-782-9495326-0999-00 INTERCHANGEABLE
Screw,cap,hexagon Head
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5910-00-920-480510947162 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
A1783PC41 Weil Pump Co Inc (USA)
4351 PRIMARY Weil Pump Co Inc (USA)
Related Parts
5315-00-010-3362INTERCHANGEABLE
PIN,COTTER
103362
6625-00-089-4795INTERCHANGEABLE
AMMETER
04351
5970-00-144-8190INTERCHANGEABLE
INSULATOR,DISK
5940-00-215-5959INTERCHANGEABLE
TERMINAL BOX
6105-00-239-9928INTERCHANGEABLE
WINDING,MOTOR FIELD
B60018
6105-00-246-7111INTERCHANGEABLE
WINDING,MOTOR FIELD
D37010PC28
5996-00-428-3929INTERCHANGEABLE
AMPLIFIER,DIRECT CURRENT
697877-02
5805-00-708-2202INTERCHANGEABLE
SWITCHBOARD,TELEPHONE,MANUAL
5305-00-782-9495INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
326-0999-00
5910-00-920-4805INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
10947162
5950-01-011-4243INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-D-413735
7490-01-029-8041INTERCHANGEABLE
MAILING MACHINE ELECTRIC
4351

Frequently Asked Questions

What is NSN 3120-00-051-3682?

NSN 3120-00-051-3682 is a Bearing,washer,thrust, manufactured by Weil Pump Co Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-051-3682?

NSN 3120-00-051-3682 has 2 cross-referenced part numbers: A1783PC41 (Weil Pump Co Inc), 4351 (Weil Pump Co Inc).

What NSN replaces 3120-00-051-3682?

There are 12 known substitutes for 3120-00-051-3682: 5315-00-010-3362, 6625-00-089-4795, 5970-00-144-8190 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4351?

Key specifications for 4351: Surface Finish: 32.0 MICROINCHES LEFT SIDE; Surface Finish: 32.0 MICROINCHES RIGHT SIDE; Material: COPPER ALLOY 903 OVERALL; Style Designator: ROUND. 12 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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