PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

048-00245-000Restrictor,fluid Flow

Aqua-Chem, Inc. Dba Aqua-Chem Inc · NSN 4730-01-197-7778 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-197-7778 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-197-7778. Primary manufacturer part number: 048-00245-000.
Features
  • Restrictor,fluid Flow — FSC 4730
  • Design Type: PLATE
  • Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED
  • Material: COPPER ALLOY 706
  • Outside Diameter: 0.562 INCHES NOMINAL IN
  • 11 verified cross-references
  • Primary manufacturer: Aqua-Chem, Inc. Dba Aqua-Chem Inc
Applications
  • Applications requiring Copper Alloy 706 construction
General Description

The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-197-7778, 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 Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-01-197-7778
Primary Part Number048-00245-000
Item NameRestrictor,fluid Flow
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAqua-Chem, Inc. Dba Aqua-Chem Inc
StatusCANCELLED
Design TypePLATE
Thread ProvisionUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
MaterialCOPPER ALLOY 706
Outside Diameter0.562 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5910-00-129-1381 INTERCHANGEABLE
Capacitor,fixed,electrolytic
3110-00-293-924948245 INTERCHANGEABLE
Bearing,ball,annular
Cae Usa Inc.
5310-00-475-395048245 INTERCHANGEABLE
Washer,flat
Triumph Engine Control Systems Llc
5136-01-112-832748245 INTERCHANGEABLE
Die,thread Cleaning
Ridge Tool Company
2990-01-181-022348245 INTERCHANGEABLE
Pipe,exhaust
Walker Mfg Co
4730-01-196-7696048-00246-000 INTERCHANGEABLE
Restrictor,fluid Flow
Aqua-Chem, Inc. Dba Aqua-Chem Inc
4730-01-196-9175633-D7657-000 PIECE 23 INTERCHANGEABLE
Strainer Element,sediment
Aqua-Chem, Inc. Dba Aqua-Chem Inc
4730-01-196-9206048-00243-000 INTERCHANGEABLE
Restrictor,fluid Flow
Aqua-Chem, Inc. Dba Aqua-Chem Inc
4820-01-197-4958633-D7657-000 PIECE 58 INTERCHANGEABLE
Head,safety,pressure Relief
Aqua-Chem, Inc. Dba Aqua-Chem Inc
4730-01-197-7779048-00244-000 INTERCHANGEABLE
Restrictor,fluid Flow
Aqua-Chem, Inc. Dba Aqua-Chem Inc
Cross-Reference Index
Part NumberManufacturer
641E7631 Aqua-Chem, Inc. (USA)
633-178 Aqua-Chem, Inc. (USA)
633D7657 PIECE 35 Aqua-Chem, Inc. (USA)
48-242-1 Aqua-Chem, Inc. (USA)
048-00242-001 Aqua-Chem, Inc. (USA)
633D7657 Aqua-Chem, Inc. (USA)
48-245 Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
048-00245-000 PRIMARY Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
633-D7657-000 PIECE 35 Aqua-Chem, Inc. (USA)
48-245 Aqua-Chem, Inc. (USA)
633-D7657-000 PIECE 35 Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
Related Parts
5910-00-129-1381INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
3110-00-293-9249INTERCHANGEABLE
BEARING,BALL,ANNULAR
48245
5310-00-475-3950INTERCHANGEABLE
WASHER,FLAT
48245
5136-01-112-8327INTERCHANGEABLE
DIE,THREAD CLEANING
48245
2990-01-181-0223INTERCHANGEABLE
PIPE,EXHAUST
48245
4730-01-196-7696INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
048-00246-000
4730-01-196-9175INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
633-D7657-000 PIECE 23
4730-01-196-9206INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
048-00243-000
4820-01-197-4958INTERCHANGEABLE
HEAD,SAFETY,PRESSURE RELIEF
633-D7657-000 PIECE 58
4730-01-197-7779INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
048-00244-000
4820-01-373-5503INTERCHANGEABLE
VALVE,CHECK
48242-1
5975-01-647-7502INTERCHANGEABLE
CABINET,ELECTRICAL EQUIPMENT
482421

Frequently Asked Questions

What is NSN 4730-01-197-7778?

NSN 4730-01-197-7778 is a Restrictor,fluid Flow, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-01-197-7778?

NSN 4730-01-197-7778 has 11 cross-referenced part numbers: 641E7631 (Aqua-Chem, Inc.), 633-178 (Aqua-Chem, Inc.), 633D7657 PIECE 35 (Aqua-Chem, Inc.), 48-242-1 (Aqua-Chem, Inc.), 048-00242-001 (Aqua-Chem, Inc.) and 6 more.

What NSN replaces 4730-01-197-7778?

There are 12 known substitutes for 4730-01-197-7778: 5910-00-129-1381, 3110-00-293-9249, 5310-00-475-3950 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 048-00245-000?

Key specifications for 048-00245-000: Design Type: PLATE; Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED; Material: COPPER ALLOY 706; Special Features: STAGE 4. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-197-7778 still in active supply?

NSN 4730-01-197-7778 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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