PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1433Strainer,sediment

Staples & Pfeiffer, Inc. · NSN 4730-01-307-3770 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-307-3770 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-307-3770. Primary manufacturer part number: 1433.
Features
  • Strainer,sediment — FSC 4730
  • First Intake Flange Length: 9.563 INCHES NOMINAL IN
  • Media for Which Designed: WATER
  • Distance From Bottom of Body to Center of Inlet: 23.000 INCHES NOMINAL IN
  • Material: COPPER ALLOY 922 BODY
  • First Intake Flange Width: 9.563 INCHES NOMINAL IN
  • First Intake Flange Thickness: 0.500 INCHES NOMINAL IN
  • First Intake Connection Type: PLAIN FACE FLANGE LINE
Applications
  • Applications requiring Copper Alloy 922 Body construction
General Description

The Strainer,sediment, cataloged under National Stock Number 4730-01-307-3770, 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 Staples & Pfeiffer, Inc.. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-307-3770
Primary Part Number1433
Item NameStrainer,sediment
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerStaples & Pfeiffer, Inc.
StatusACTIVE
First Intake Flange Length9.563 INCHES NOMINAL IN
Media for Which DesignedWATER
Distance From Bottom of Body to Center of Inlet23.000 INCHES NOMINAL IN
MaterialCOPPER ALLOY 922 BODY
First Intake Flange Width9.563 INCHES NOMINAL IN
First Intake Flange Thickness0.500 INCHES NOMINAL IN
First Intake Connection TypePLAIN FACE FLANGE LINE
First Intake Flange Shape StyleRECTANGULAR W/UNTHREADED BOLT HOLES
Style DesignatorDIVERTED FLOW BASKET STRAINER W/BOLTED COVER
First Discharge Connection Relationship to Intake ConnectionIDENTICAL TO FIRST INTAKE CONNECTION
Filtering Media DesignPERFORATED SINGLE FILTERING MEDIA RESPONSE
Center to Center Distance Between Connections18.187 INCHES NOMINAL IN
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
First Intake Flange Face StylePLAIN
Body Length17.250 INCHES NOMINAL IN
Body Height34.500 INCHES NOMINAL IN
Perforation Diameter0.125 INCHES NOMINAL IN
Perforation Quantity32.0 PER SQUARE INCH
Mounting TypeINLET CONNECTION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-173-54411433-9704 INTERCHANGEABLE
Resistor,decade
Iet Labs Inc
5999-00-233-0281 INTERCHANGEABLE
Contact,electrical
5310-00-290-8996 INTERCHANGEABLE
Washer,flat
2520-00-622-37951433 INTERCHANGEABLE
Pressure Plate Assembly,clutch
Sachs-Boge of America
2805-00-735-6052112-0069 INTERCHANGEABLE
Pin,piston
Cummins Power Generation Inc.
2920-00-764-791214-33 INTERCHANGEABLE
Housing,rear,altern
Motorola Automotive Electronics
5940-00-771-81390S022977 INTERCHANGEABLE
Terminal,feedthru
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5935-00-904-9003M0DEL 1433 INTERCHANGEABLE
Connector,plug,electrical
Signal Communications Corp
5977-01-014-34781433 INTERCHANGEABLE
Holder,electrical Contact Brush
Ney Dental Inc
6515-01-233-76241433 INTERCHANGEABLE
Bag,ostomy
Hollister Inc
Cross-Reference Index
Part NumberManufacturer
1433 Staples & Pfeiffer, Inc. (USA)
S-P 136 2-1-2IN Staples & Pfeiffer, Inc. (USA)
S-P 136 2-1/2IN 0.125CUNI Staples & Pfeiffer, Inc. (USA)
1433 2-1/2IN Staples & Pfeiffer, Inc. (USA)
Related Parts
6625-00-173-5441INTERCHANGEABLE
RESISTOR,DECADE
1433-9704
5999-00-233-0281INTERCHANGEABLE
CONTACT,ELECTRICAL
5310-00-290-8996INTERCHANGEABLE
WASHER,FLAT
2520-00-622-3795INTERCHANGEABLE
PRESSURE PLATE ASSEMBLY,CLUTCH
1433
2805-00-735-6052INTERCHANGEABLE
PIN,PISTON
112-0069
2920-00-764-7912INTERCHANGEABLE
HOUSING,REAR,ALTERN
14-33
5940-00-771-8139INTERCHANGEABLE
TERMINAL,FEEDTHRU
0S022977
5935-00-904-9003INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
M0DEL 1433
5977-01-014-3478INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
1433
6515-01-233-7624INTERCHANGEABLE
BAG,OSTOMY
1433
4730-01-306-3159INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
1433-2 1/2IN-7
6530-01-342-2298INTERCHANGEABLE
BELT,PELVIC TRACTION
1433

Frequently Asked Questions

What is NSN 4730-01-307-3770?

NSN 4730-01-307-3770 is a Strainer,sediment, manufactured by Staples & Pfeiffer, Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-307-3770?

NSN 4730-01-307-3770 has 4 cross-referenced part numbers: 1433 (Staples & Pfeiffer, Inc.), S-P 136 2-1-2IN (Staples & Pfeiffer, Inc.), S-P 136 2-1/2IN 0.125CUNI (Staples & Pfeiffer, Inc.), 1433 2-1/2IN (Staples & Pfeiffer, Inc.).

What NSN replaces 4730-01-307-3770?

There are 12 known substitutes for 4730-01-307-3770: 6625-00-173-5441, 5999-00-233-0281, 5310-00-290-8996 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1433?

Key specifications for 1433: First Intake Flange Length: 9.563 INCHES NOMINAL IN; Media for Which Designed: WATER; Distance From Bottom of Body to Center of Inlet: 23.000 INCHES NOMINAL IN; Material: COPPER ALLOY 922 BODY. 19 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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