PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RF904Nipple,pipe

Wisconsin Motors, Llc · NSN 4730-00-188-1846 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-188-1846 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-188-1846. Primary manufacturer part number: RF904.
Features
  • Nipple,pipe — FSC 4730
  • Material: STEEL OVERALL
  • Material Document and Classification: ASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Thread Size: 0.125 INCHES ALL ENDS IN
  • Thread Series Designator: NPT ALL ENDS
  • Surface Treatment: OXIDE OVERALL
  • Thread Series Designator: NPT ALL ENDS
  • Connection Style: PLAIN (PIPE) ALL ENDS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Nipple,pipe, cataloged under National Stock Number 4730-00-188-1846, 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 Wisconsin Motors, Llc. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-188-1846
Primary Part NumberRF904
Item NameNipple,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerWisconsin Motors, Llc
StatusCANCELLED
MaterialSTEEL OVERALL
Material Document and ClassificationASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size0.125 INCHES ALL ENDS IN
Thread Series DesignatorNPT ALL ENDS
Surface TreatmentOXIDE OVERALL
Thread Series DesignatorNPT ALL ENDS
Connection StylePLAIN (PIPE) ALL ENDS
Nominal Thread Size0.125 INCHES ALL ENDS IN
Specification/standard Data81346-ASTM A733 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Specification/standard Data81346-ASTM A733 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nominal Overall Length4.000 INCHES IN
MaterialSTEEL OVERALL
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
Material Document and ClassificationASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface TreatmentOXIDE OVERALL
Leg Length2.000 INCHES NOMINAL ALL ENDS IN
Style DesignatorCLOSE
Nondefinitive Spec/std Data1 TYPE
Nondefinitive Spec/std Data1 TYPE
Style DesignatorCLOSE
Nominal Overall Length4.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5935-00-502-19307602336 INTERCHANGEABLE
Connector,plug,electrical
Us Army Aviation and Missile Command
5120-01-100-1287 INTERCHANGEABLE
Remover,integrated Circuit
1005-01-705-9054118938 INTERCHANGEABLE
Barrel,rifle
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
RF904 Wisconsin Motors, Llc (USA)
ASTM-A733 American Society for Testing and Materials Dba Astm International (USA)
339-1/8X4 Grinnell Corp Sub of Tyco Intl Us Inc (USA)
118938 General Motors Corp (USA)
118938 Ed Etnyre & Co (USA)
Related Parts
5935-00-502-1930INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
7602336
5120-01-100-1287INTERCHANGEABLE
REMOVER,INTEGRATED CIRCUIT
1005-01-705-9054INTERCHANGEABLE
BARREL,RIFLE
118938

Frequently Asked Questions

What is NSN 4730-00-188-1846?

NSN 4730-00-188-1846 is a Nipple,pipe, manufactured by Wisconsin Motors, Llc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-188-1846?

NSN 4730-00-188-1846 has 5 cross-referenced part numbers: RF904 (Wisconsin Motors, Llc), ASTM-A733 (American Society for Testing and Materials Dba Astm International), 339-1/8X4 (Grinnell Corp Sub of Tyco Intl Us Inc), 118938 (General Motors Corp), 118938 (Ed Etnyre & Co).

What NSN replaces 4730-00-188-1846?

There are 3 known substitutes for 4730-00-188-1846: 5935-00-502-1930, 5120-01-100-1287, 1005-01-705-9054. Verify interchangeability with system specifications before substitution.

What are the specifications of RF904?

Key specifications for RF904: Material: STEEL OVERALL; Material Document and Classification: ASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Size: 0.125 INCHES ALL ENDS IN; Thread Series Designator: NPT ALL ENDS. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-188-1846 still in active supply?

NSN 4730-00-188-1846 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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