PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

69-603Restrictor,fluid Flow

Department of Defense Project Manager-Mobile Electric Power · NSN 4730-00-287-8473 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-287-8473 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-287-8473. Primary manufacturer part number: 69-603.
Features
  • Restrictor,fluid Flow — FSC 4730
  • Outside Diameter: 0.372 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
  • Hose/tube Size for Which Designed: 7/32 IN. OD TUBE IN
  • Material: STEEL COMP 1095 OR STEEL
  • Orifice Diameter: 0.088 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
  • Surface Treatment: OXIDE
  • Material Document and Classification: ASTM A108, GRADE 1095 ASSN STD 1ST MATERIAL RESPONSE OR SAE J438, GRADE 01 ASSN STD 1ST MATERIAL RESPONSE
  • Design Type: PLATE
Applications
  • Applications requiring Steel Comp 1095 or Steel construction
General Description

The Restrictor,fluid Flow, cataloged under National Stock Number 4730-00-287-8473, 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 Department of Defense Project Manager-Mobile Electric Power. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-287-8473
Primary Part Number69-603
Item NameRestrictor,fluid Flow
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDepartment of Defense Project Manager-Mobile Electric Power
StatusACTIVE
Outside Diameter0.372 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
Hose/tube Size for Which Designed7/32 IN. OD TUBE IN
MaterialSTEEL COMP 1095 OR STEEL
Orifice Diameter0.088 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
Surface TreatmentOXIDE
Material Document and ClassificationASTM A108, GRADE 1095 ASSN STD 1ST MATERIAL RESPONSE OR SAE J438, GRADE 01 ASSN STD 1ST MATERIAL RESPONSE
Design TypePLATE
Thread ProvisionUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
Length0.124 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6530-01-083-784368124 INTERCHANGEABLE
Wrapper,sterilization
Kimberly-Clark Corp Professional Health Care Div
4730-01-470-332669603 INTERCHANGEABLE
Hose Assembly
Textron Lycoming Inc Williamsport Plant
Cross-Reference Index
Part NumberManufacturer
04306-8140 Asrc Federal Facilities Logistics, Llc (USA)
69-603 PRIMARY Department of Defense Project Manager-Mobile Electric Power (USA)
04306-8140 Harsco Corp Bmy-Combat Systems Div (USA)
Related Parts
6530-01-083-7843INTERCHANGEABLE
WRAPPER,STERILIZATION
68124
4730-01-470-3326INTERCHANGEABLE
HOSE ASSEMBLY
69603

Frequently Asked Questions

What is NSN 4730-00-287-8473?

NSN 4730-00-287-8473 is a Restrictor,fluid Flow, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-287-8473?

NSN 4730-00-287-8473 has 3 cross-referenced part numbers: 04306-8140 (Asrc Federal Facilities Logistics, Llc), 69-603 (Department of Defense Project Manager-Mobile Electric Power), 04306-8140 (Harsco Corp Bmy-Combat Systems Div).

What NSN replaces 4730-00-287-8473?

There are 2 known substitutes for 4730-00-287-8473: 6530-01-083-7843, 4730-01-470-3326. Verify interchangeability with system specifications before substitution.

What are the specifications of 69-603?

Key specifications for 69-603: Outside Diameter: 0.372 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN; Hose/tube Size for Which Designed: 7/32 IN. OD TUBE IN; Material: STEEL COMP 1095 OR STEEL; Orifice Diameter: 0.088 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN. 9 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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