PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

01643Strainer Element,sediment

Defense Logistics Agency Dba Defense Supply Center Philadelphia · NSN 4730-00-033-5521 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-033-5521 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-033-5521. Primary manufacturer part number: 01643.
Features
  • Strainer Element,sediment — FSC 4730
  • End Connection Type: PLAIN FIRST END
  • Filtering Media Design: PERFORATED
  • Material: STEEL
  • End Connection Type: PLAIN SECOND END
  • Style Designator: CYLINDRICAL
  • Element Outside Diameter: 8.000 INCHES NOMINAL IN
  • Perforation Diameter: 0.250 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Strainer Element,sediment, cataloged under National Stock Number 4730-00-033-5521, 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 Defense Logistics Agency Dba Defense Supply Center Philadelphia. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-033-5521
Primary Part Number01643
Item NameStrainer Element,sediment
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerDefense Logistics Agency Dba Defense Supply Center Philadelphia
StatusACTIVE
End Connection TypePLAIN FIRST END
Filtering Media DesignPERFORATED
MaterialSTEEL
End Connection TypePLAIN SECOND END
Style DesignatorCYLINDRICAL
Element Outside Diameter8.000 INCHES NOMINAL IN
Perforation Diameter0.250 INCHES NOMINAL IN
Perforation Quantity8.0 PER SQUARE INCH
Length2.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-928-2690MS35338-134 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
4801-795957ALT1PCF15 Naval Ship Systems Command (USA)
01643 PRIMARY Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
4801-794258ALT3PC37 Naval Ship Systems Command (USA)
73656-31X2 PC 6 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
4801-794258PC37 Naval Ship Systems Command (USA)
Related Parts
5310-00-928-2690INTERCHANGEABLE
WASHER,LOCK
MS35338-134

Frequently Asked Questions

What is NSN 4730-00-033-5521?

NSN 4730-00-033-5521 is a Strainer Element,sediment, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-033-5521?

NSN 4730-00-033-5521 has 5 cross-referenced part numbers: 4801-795957ALT1PCF15 (Naval Ship Systems Command), 01643 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 4801-794258ALT3PC37 (Naval Ship Systems Command), 73656-31X2 PC 6 (Electric Boat Corporation Div General Dynamics Electric Boat), 4801-794258PC37 (Naval Ship Systems Command).

What NSN replaces 4730-00-033-5521?

There is 1 known substitute for 4730-00-033-5521: 5310-00-928-2690. Verify interchangeability with system specifications before substitution.

What are the specifications of 01643?

Key specifications for 01643: End Connection Type: PLAIN FIRST END; Filtering Media Design: PERFORATED; Material: STEEL; End Connection Type: PLAIN SECOND END. 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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