PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100178Bearing,washer,thrust

Neptune Chemical Pump Co Div of R a Industries Inc · NSN 3120-01-172-1977 · FSC 3120 · No Item Name Available
Verified by PartsTable
NSN 3120-01-172-1977 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-172-1977. Primary manufacturer part number: 100178.
Features
  • Bearing,washer,thrust — FSC 3120
  • 2 verified cross-references
  • Primary manufacturer: Neptune Chemical Pump Co Div of R a Industries Inc
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 3120-01-172-1977, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Neptune Chemical Pump Co Div of R a Industries Inc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBearing,washer,thrust
FSC / FSG3120 — No Item Name Available (FSG 31)
ManufacturersNeptune Chemical Pump Co Div of R a Industries Inc (CAGE 28625)
Technical Specifications
ParameterValue
NSN3120-01-172-1977
Primary Part Number100178
Item NameBearing,washer,thrust
FSC / FSG3120 / 31 — No Item Name Available
ManufacturerNeptune Chemical Pump Co Div of R a Industries Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
1650-00-066-4415100178 INTERCHANGEABLE
Skirt,hydraulic Ser
Woodward Hrt Inc
4730-00-202-6491 INTERCHANGEABLE
Bushing,pipe
5910-00-445-1691 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
6680-00-556-1662100178 INTERCHANGEABLE
Counter,rotating
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5910-00-689-8751 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
2810-00-772-6342100178 INTERCHANGEABLE
Plug
Mcculloch Corp
5935-01-024-0485 INTERCHANGEABLE
Connector,plug,electrical
6515-01-165-67181001-78 INTERCHANGEABLE
Loop,vascular,surgical
Scanlan Intl
4820-01-171-3305100178 INTERCHANGEABLE
Valve,gate
Champion Industries Inc.
2920-01-434-030387-19674A2 INTERCHANGEABLE
Switch,engine Starter,electrical
Brunswick Corp Dba Mercury Marine Div Mercury Marine
Cross-Reference Index
Part NumberManufacturer
100178 PRIMARY Neptune Chemical Pump Co Div of R a Industries Inc (USA)
HP-1102-505 Neptune Chemical Pump Co Div of R a Industries Inc (USA)
Related Parts
1650-00-066-4415INTERCHANGEABLE
SKIRT,HYDRAULIC SER
100178
4730-00-202-6491INTERCHANGEABLE
BUSHING,PIPE
5910-00-445-1691INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
6680-00-556-1662INTERCHANGEABLE
COUNTER,ROTATING
100178
5910-00-689-8751INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
2810-00-772-6342INTERCHANGEABLE
PLUG
100178
5935-01-024-0485INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
6515-01-165-6718INTERCHANGEABLE
LOOP,VASCULAR,SURGICAL
1001-78
4820-01-171-3305INTERCHANGEABLE
VALVE,GATE
100178
2920-01-434-0303INTERCHANGEABLE
SWITCH,ENGINE STARTER,ELECTRICAL
87-19674A2

Frequently Asked Questions

What is NSN 3120-01-172-1977?

NSN 3120-01-172-1977 is a Bearing,washer,thrust, manufactured by Neptune Chemical Pump Co Div of R a Industries Inc, classified under FSC 3120 (No Item Name Available). Status: active.

What are the part numbers for NSN 3120-01-172-1977?

NSN 3120-01-172-1977 has 2 cross-referenced part numbers: 100178 (Neptune Chemical Pump Co Div of R a Industries Inc), HP-1102-505 (Neptune Chemical Pump Co Div of R a Industries Inc).

What NSN replaces 3120-01-172-1977?

There are 10 known substitutes for 3120-01-172-1977: 1650-00-066-4415, 4730-00-202-6491, 5910-00-445-1691 and 7 more. Verify interchangeability with system specifications before substitution.

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