PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

2632-0952 ITEM 5-5Restrictor,fluid Flow

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 4730-01-349-7503 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-349-7503 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-349-7503. Primary manufacturer part number: 2632-0952 ITEM 5-5.
Features
  • Restrictor,fluid Flow — FSC 4730
  • Length: 0.125 INCHES NOMINAL IN
  • Design Type: PLATE
  • Material Document and Classification: MIL-C-15726, COMP 70-30, HARD MIL SPEC SINGLE MATERIAL RESPONSE
  • Orifice Diameter: 0.127 INCHES NOMINAL IN
  • Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED
  • Material: COPPER ALLOY 715
  • Outside Diameter: 1.320 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy 715 construction
General Description

The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-349-7503, 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 Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-349-7503
Primary Part Number2632-0952 ITEM 5-5
Item NameRestrictor,fluid Flow
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusACTIVE
Length0.125 INCHES NOMINAL IN
Design TypePLATE
Material Document and ClassificationMIL-C-15726, COMP 70-30, HARD MIL SPEC SINGLE MATERIAL RESPONSE
Orifice Diameter0.127 INCHES NOMINAL IN
Thread ProvisionUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
MaterialCOPPER ALLOY 715
Outside Diameter1.320 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4730-01-347-51672632-0952 ITEM 5-6 INTERCHANGEABLE
Restrictor,fluid Flow
Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-347-51682632-0952 ITEM 5-7 INTERCHANGEABLE
Restrictor,fluid Flow
Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-349-24212632-0952 ITEM 8-8 INTERCHANGEABLE
Restrictor,fluid Flow
Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-349-40602632-0952 ITEM 4-5 INTERCHANGEABLE
Restrictor,fluid Flow
Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-349-40612632-0952 ITEM 4-6 INTERCHANGEABLE
Restrictor,fluid Flow
Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-349-40622632-0952 ITEM 8-5 INTERCHANGEABLE
Restrictor,fluid Flow
Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-349-40632632-0952 ITEM 8-6 INTERCHANGEABLE
Restrictor,fluid Flow
Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-349-40642632-0952 ITEM 8-7 INTERCHANGEABLE
Restrictor,fluid Flow
Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
845-2445312 ITEM 5-5 Naval Ship Systems Command (USA)
2445312 Naval Ship Systems Command (USA)
2632-0952 ITEM 5-5 PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
4730-01-347-5167INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
2632-0952 ITEM 5-6
4730-01-347-5168INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
2632-0952 ITEM 5-7
4730-01-349-2421INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
2632-0952 ITEM 8-8
4730-01-349-4060INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
2632-0952 ITEM 4-5
4730-01-349-4061INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
2632-0952 ITEM 4-6
4730-01-349-4062INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
2632-0952 ITEM 8-5
4730-01-349-4063INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
2632-0952 ITEM 8-6
4730-01-349-4064INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
2632-0952 ITEM 8-7

Frequently Asked Questions

What is NSN 4730-01-349-7503?

NSN 4730-01-349-7503 is a Restrictor,fluid Flow, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-349-7503?

NSN 4730-01-349-7503 has 3 cross-referenced part numbers: 845-2445312 ITEM 5-5 (Naval Ship Systems Command), 2445312 (Naval Ship Systems Command), 2632-0952 ITEM 5-5 (Electric Boat Corporation Div General Dynamics Electric Boat).

What NSN replaces 4730-01-349-7503?

There are 8 known substitutes for 4730-01-349-7503: 4730-01-347-5167, 4730-01-347-5168, 4730-01-349-2421 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2632-0952 ITEM 5-5?

Key specifications for 2632-0952 ITEM 5-5: Length: 0.125 INCHES NOMINAL IN; Design Type: PLATE; Material Document and Classification: MIL-C-15726, COMP 70-30, HARD MIL SPEC SINGLE MATERIAL RESPONSE; Orifice Diameter: 0.127 INCHES NOMINAL IN. 8 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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