PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

122-660345 PC 30Fitting,lubrication

Naval Sea Systems Command · NSN 4730-00-050-4203 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-050-4203 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-050-4203. Primary manufacturer part number: 122-660345 PC 30.
Features
  • Fitting,lubrication — FSC 4730
  • 50 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Fitting,lubrication, cataloged under National Stock Number 4730-00-050-4203, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Naval Sea Systems Command. This item has 50 commercial cross-references from 40 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameFitting,lubrication
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersNaval Sea Systems Command (CAGE 53711); Hyster-Yale Group, Inc. (CAGE 30076); Stewart-Warner Corporation (CAGE 57733); Aer-Bea Co Inc (CAGE 19704); Ford Motor Co Ford Parts and Service Div Government Part Sales (CAGE 23040)
Technical Specifications
ParameterValue
NSN4730-00-050-4203
Primary Part Number122-660345 PC 30
Item NameFitting,lubrication
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6625-00-003-097110880 INTERCHANGEABLE
Frequency Meter Matched Set
Creating Technology Solutions, Llc Dba Technology Research Corp Div Technology Research Corp
4730-00-050-4205AS15001-3P INTERCHANGEABLE
Fitting,lubrication
Sae International Dba Sae International
4730-00-050-4206AS15002-4P INTERCHANGEABLE
Fitting,lubrication
Sae International Dba Sae International
4730-00-050-4207AS15001-4 INTERCHANGEABLE
Fitting,lubrication
Sae International Dba Sae International
4730-00-050-4208SAE-AS15003-1P INTERCHANGEABLE
Fitting,lubrication
Sae International Dba Sae International
5310-00-058-3873 INTERCHANGEABLE
Washer,lock
3020-00-070-4970100846 INTERCHANGEABLE
Gear Assembly
Astronautics Corporation of America
6685-00-110-4870662001022 INTERCHANGEABLE
Thermocouple,immersion
Alnor Instrument Company
5960-00-114-3827 INTERCHANGEABLE
Electron Tube
3110-00-151-8311460823 INTERCHANGEABLE
Roller,bearing
Regal Beloit America, Inc. Dba Rollway Bearing
Cross-Reference Index
Part NumberManufacturer
122-660345 PC 30 Naval Sea Systems Command (USA)
200954 Hyster-Yale Group, Inc. (USA)
122-5277738 ITEM 33 Naval Sea Systems Command (USA)
1641B Stewart-Warner Corporation (USA)
AB1303-215 Aer-Bea Co Inc (USA)
87907S8 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
78901-28 Yoder Brake & Manufacturing Co (USA)
4730PL1810319 Jednolity Indeks Materialowy - Uniform Material Index (POL)
30012 Texas Hydraulics, Inc. (USA)
16418 Stewart-Warner Corporation (USA)
122-6848502 ITEM:17 Naval Sea Systems Command (USA)
10H35 Clark Equipment Co (USA)
1641B Stewart-Warner Alemite Sales Co Inc (USA)
12520001FIG7-1-118 Unidynamics/saint Louis Inc Conroe Opns (USA)
114-2 Crane Carrier Company, Llc (USA)
145-4510924M24 Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (USA)
122-5277667 ITEM 33 Naval Sea Systems Command (USA)
PT1040 Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA)
2400 Geneva Metal Wheel Co (USA)
007-10-H-35 Tvh Parts Co. (USA)
Related Parts
6625-00-003-0971INTERCHANGEABLE
FREQUENCY METER MATCHED SET
10880
4730-00-050-4205INTERCHANGEABLE
FITTING,LUBRICATION
AS15001-3P
4730-00-050-4206INTERCHANGEABLE
FITTING,LUBRICATION
AS15002-4P
4730-00-050-4207INTERCHANGEABLE
FITTING,LUBRICATION
AS15001-4
4730-00-050-4208INTERCHANGEABLE
FITTING,LUBRICATION
SAE-AS15003-1P
5310-00-058-3873INTERCHANGEABLE
WASHER,LOCK
3020-00-070-4970INTERCHANGEABLE
GEAR ASSEMBLY
100846
6685-00-110-4870INTERCHANGEABLE
THERMOCOUPLE,IMMERSION
662001022
5960-00-114-3827INTERCHANGEABLE
ELECTRON TUBE
3110-00-151-8311INTERCHANGEABLE
ROLLER,BEARING
460823
3110-00-156-6867INTERCHANGEABLE
BEARING,BALL,ANNULAR
206703-7
5970-00-158-6822INTERCHANGEABLE
INSULATOR,STANDOFF

Frequently Asked Questions

What is NSN 4730-00-050-4203?

NSN 4730-00-050-4203 is a Fitting,lubrication, manufactured by Naval Sea Systems Command, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-050-4203?

NSN 4730-00-050-4203 has 50 cross-referenced part numbers: 122-660345 PC 30 (Naval Sea Systems Command), 200954 (Hyster-Yale Group, Inc.), 122-5277738 ITEM 33 (Naval Sea Systems Command), 1641B (Stewart-Warner Corporation), AB1303-215 (Aer-Bea Co Inc) and 45 more.

What NSN replaces 4730-00-050-4203?

There are 12 known substitutes for 4730-00-050-4203: 6625-00-003-0971, 4730-00-050-4205, 4730-00-050-4206 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4730-00-050-4203 still in active supply?

NSN 4730-00-050-4203 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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