PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

633-D7657-000 PIECE 33Restrictor,fluid Flow

Aqua-Chem, Inc. Dba Aqua-Chem Inc · NSN 4730-01-196-7696 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-196-7696 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-196-7696. Primary manufacturer part number: 633-D7657-000 PIECE 33.
Features
  • Restrictor,fluid Flow — FSC 4730
  • Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED
  • Design Type: PLATE
  • Material: COPPER ALLOY 706
  • 13 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 4730-01-196-7696, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-01-196-7696
Primary Part Number633-D7657-000 PIECE 33
Item NameRestrictor,fluid Flow
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAqua-Chem, Inc. Dba Aqua-Chem Inc
StatusCANCELLED
Thread ProvisionUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
Design TypePLATE
MaterialCOPPER ALLOY 706
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
6680-00-914-4641507BW INTERCHANGEABLE
Transmitter,liquid Quantity
Stewart-Warner Corporation
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
4730-01-197-7778048-00245-000 INTERCHANGEABLE
Restrictor,fluid Flow
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
048-00242-004 Aqua-Chem, Inc. (USA)
633D7657 PIECE 33 Aqua-Chem, Inc. (USA)
48-246 Aqua-Chem, Inc. (USA)
633D7657 Aqua-Chem, Inc. (USA)
633-178 Aqua-Chem, Inc. (USA)
633-178 PIECE 33 Aqua-Chem, Inc. (USA)
48-242-4 Aqua-Chem, Inc. (USA)
641E7631 Aqua-Chem, Inc. (USA)
633-D7657-000 PIECE 33 PRIMARY Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
633-00178-000 PIECE 33 Aqua-Chem, Inc. (USA)
048-00246-000 PRIMARY Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
633-D7657-000 PIECE 33 Aqua-Chem, Inc. (USA)
048-00246-000 Aqua-Chem, Inc. (USA)
Related Parts
6680-00-914-4641INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
507BW
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
4730-01-197-7778INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
048-00245-000
4730-01-197-7779INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
048-00244-000

Frequently Asked Questions

What is NSN 4730-01-196-7696?

NSN 4730-01-196-7696 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 4730-01-196-7696?

NSN 4730-01-196-7696 has 13 cross-referenced part numbers: 048-00242-004 (Aqua-Chem, Inc.), 633D7657 PIECE 33 (Aqua-Chem, Inc.), 48-246 (Aqua-Chem, Inc.), 633D7657 (Aqua-Chem, Inc.), 633-178 (Aqua-Chem, Inc.) and 8 more.

What NSN replaces 4730-01-196-7696?

There are 6 known substitutes for 4730-01-196-7696: 6680-00-914-4641, 4730-01-196-9175, 4730-01-196-9206 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 633-D7657-000 PIECE 33?

Key specifications for 633-D7657-000 PIECE 33: Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: PLATE; Special Features: STAGE 2 AND 5,1.312 IN. DIA IN; Material: COPPER ALLOY 706. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-196-7696 still in active supply?

NSN 4730-01-196-7696 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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