PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMB187020Bearing,washer,thrust

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 3120-00-528-5517 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-00-528-5517 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-528-5517. Primary manufacturer part number: SMB187020.
Features
  • Bearing,washer,thrust — FSC 3120
  • Special Test Features: CENTER HOLE COUNTERSUNK 82 DEGBY 0.015 IN. LG ON BOTH SIDES IN
  • 2 verified cross-references
  • Primary manufacturer: Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
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 3120-00-528-5517, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 1 verified specification, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3120-00-528-5517
Primary Part NumberSMB187020
Item NameBearing,washer,thrust
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Special Test FeaturesCENTER HOLE COUNTERSUNK 82 DEGBY 0.015 IN. LG ON BOTH SIDES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-154-4967 INTERCHANGEABLE
Seal,plain Encased
5330-00-154-8329278-0642 INTERCHANGEABLE
Seal,plain Encased
Caterpillar Inc Div Caterpillar Defense
5365-00-573-65925-500-1 INTERCHANGEABLE
Spacer,sleeve
Rexnord Industries, Llc Div Aerospace Solutions Downers Grove
1730-00-671-319055001 INTERCHANGEABLE
Fulcrum,pump
Malabar
2540-00-734-7831 INTERCHANGEABLE
Skid Asy
4320-00-783-872155001 INTERCHANGEABLE
Pump,axial Pistons
Parker Hannifin Corporation Div Hydraulic Systems Division
3110-01-034-5039BACB10A397GCM2 INTERCHANGEABLE
Bearing,plain
Timken Aurora Bearing Company
6720-01-196-4306 INTERCHANGEABLE
Motor Drive,camera
7520-01-207-4264REM11/BLACK INTERCHANGEABLE
Pen,ball-Point
Bic Corporation
6685-01-233-3503 INTERCHANGEABLE
Dampener,fluid Pressure
Cross-Reference Index
Part NumberManufacturer
SMB187020 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
55001 Kleinschmidt Inc (USA)
Related Parts
5330-00-154-4967INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-00-154-8329INTERCHANGEABLE
SEAL,PLAIN ENCASED
278-0642
5365-00-573-6592INTERCHANGEABLE
SPACER,SLEEVE
5-500-1
1730-00-671-3190INTERCHANGEABLE
FULCRUM,PUMP
55001
2540-00-734-7831INTERCHANGEABLE
SKID ASY
4320-00-783-8721INTERCHANGEABLE
PUMP,AXIAL PISTONS
55001
3110-01-034-5039INTERCHANGEABLE
BEARING,PLAIN
BACB10A397GCM2
6720-01-196-4306INTERCHANGEABLE
MOTOR DRIVE,CAMERA
7520-01-207-4264INTERCHANGEABLE
PEN,BALL-POINT
REM11/BLACK
6685-01-233-3503INTERCHANGEABLE
DAMPENER,FLUID PRESSURE
5895-01-315-9069INTERCHANGEABLE
COMPUTER SUBASSEMBLY
5500-1
6515-01-528-8678INTERCHANGEABLE
LOCATOR UNIT,NERVE
550-01

Frequently Asked Questions

What is NSN 3120-00-528-5517?

NSN 3120-00-528-5517 is a Bearing,washer,thrust, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-00-528-5517?

NSN 3120-00-528-5517 has 2 cross-referenced part numbers: SMB187020 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 55001 (Kleinschmidt Inc).

What NSN replaces 3120-00-528-5517?

There are 12 known substitutes for 3120-00-528-5517: 5330-00-154-4967, 5330-00-154-8329, 5365-00-573-6592 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SMB187020?

Key specifications for SMB187020: Special Test Features: CENTER HOLE COUNTERSUNK 82 DEGBY 0.015 IN. LG ON BOTH SIDES IN. 1 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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