PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D6401Strainer Element,sediment

Hartford Compressors Inc · NSN 4730-00-837-1251 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-837-1251 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-837-1251. Primary manufacturer part number: D6401.
Features
  • Strainer Element,sediment — FSC 4730
  • Filtering Media Design: PERFORATED
  • End Connection Type: PLAIN FIRST END
  • Material: COPPER ALLOY
  • Element Outside Diameter: 1.438 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL
  • Perforation Quantity: 100.0 PER SQUARE INCH
  • Perforation Diameter: 0.062 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy construction
General Description

The Strainer Element,sediment, cataloged under National Stock Number 4730-00-837-1251, 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 Hartford Compressors Inc. Government technical data includes 8 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-837-1251
Primary Part NumberD6401
Item NameStrainer Element,sediment
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHartford Compressors Inc
StatusACTIVE
Filtering Media DesignPERFORATED
End Connection TypePLAIN FIRST END
MaterialCOPPER ALLOY
Element Outside Diameter1.438 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Perforation Quantity100.0 PER SQUARE INCH
Perforation Diameter0.062 INCHES NOMINAL IN
Length2.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5110-01-231-5715901-A INTERCHANGEABLE
Tool,stripping
Amphenol Corporation Div Amphenol Rf
7195-01-594-4584WS1 INTERCHANGEABLE
Stand,audio and Visual Equipment
Omnimount Systems, Inc. Div Professional Products Dba Omnimount Systems, Inc.
3439-01-676-3464WS1 INTERCHANGEABLE
Soldering Station
Ok International, Inc.
4610-01-686-4684WS1 INTERCHANGEABLE
Water Softener Unit
Clack Corporation Dba Clack Mfg
Cross-Reference Index
Part NumberManufacturer
SSA1SCREEN Hartford Compressors Inc (USA)
WS1 Therm-Air Mfg Co Inc (USA)
D6401 PRIMARY Hartford Compressors Inc (USA)
Related Parts
5110-01-231-5715INTERCHANGEABLE
TOOL,STRIPPING
901-A
7195-01-594-4584INTERCHANGEABLE
STAND,AUDIO AND VISUAL EQUIPMENT
WS1
3439-01-676-3464INTERCHANGEABLE
SOLDERING STATION
WS1
4610-01-686-4684INTERCHANGEABLE
WATER SOFTENER UNIT
WS1

Frequently Asked Questions

What is NSN 4730-00-837-1251?

NSN 4730-00-837-1251 is a Strainer Element,sediment, manufactured by Hartford Compressors Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-837-1251?

NSN 4730-00-837-1251 has 3 cross-referenced part numbers: SSA1SCREEN (Hartford Compressors Inc), WS1 (Therm-Air Mfg Co Inc), D6401 (Hartford Compressors Inc).

What NSN replaces 4730-00-837-1251?

There are 4 known substitutes for 4730-00-837-1251: 5110-01-231-5715, 7195-01-594-4584, 3439-01-676-3464 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D6401?

Key specifications for D6401: Filtering Media Design: PERFORATED; End Connection Type: PLAIN FIRST END; Material: COPPER ALLOY; Element Outside Diameter: 1.438 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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