PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

430042Restrictor,fluid Flow

Dana Corp Spicer Transmission Div · NSN 4730-00-821-9659 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-821-9659 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-821-9659. Primary manufacturer part number: 430042.
Features
  • Restrictor,fluid Flow — FSC 4730
  • Length: 0.0299 INCHES NOMINAL IN
  • Outside Diameter: 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
  • Design Type: PLATE
  • Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED
  • Material: STEEL
  • Orifice Diameter: 0.166 INCHES NOMINAL IN
  • 1 verified cross-reference
Applications
  • Applications requiring Steel construction
General Description

The Restrictor,fluid Flow, cataloged under National Stock Number 4730-00-821-9659, 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 Dana Corp Spicer Transmission Div. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-821-9659
Primary Part Number430042
Item NameRestrictor,fluid Flow
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDana Corp Spicer Transmission Div
StatusACTIVE
Length0.0299 INCHES NOMINAL IN
Outside Diameter0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
Design TypePLATE
Thread ProvisionUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
MaterialSTEEL
Orifice Diameter0.166 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5920-00-296-196810FH2 INTERCHANGEABLE
Fuseholder,extractor Post
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
430042 PRIMARY Dana Corp Spicer Transmission Div (USA)
Related Parts
5920-00-296-1968INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
10FH2

Frequently Asked Questions

What is NSN 4730-00-821-9659?

NSN 4730-00-821-9659 is a Restrictor,fluid Flow, manufactured by Dana Corp Spicer Transmission Div, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-821-9659?

NSN 4730-00-821-9659 has 1 cross-referenced part number: 430042 (Dana Corp Spicer Transmission Div).

What NSN replaces 4730-00-821-9659?

There is 1 known substitute for 4730-00-821-9659: 5920-00-296-1968. Verify interchangeability with system specifications before substitution.

What are the specifications of 430042?

Key specifications for 430042: Length: 0.0299 INCHES NOMINAL IN; Outside Diameter: 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN; Design Type: PLATE; Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED. 6 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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