PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31251Strainer Element,sediment

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 4730-00-693-9989 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-693-9989 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-693-9989. Primary manufacturer part number: 31251.
Features
  • Strainer Element,sediment — FSC 4730
  • Material: COPPER ALLOY
  • Style Designator: CYLINDRICAL
  • Filtering Media Design: PERFORATED
  • Nominal Thread Size: 1.000 INCHES FIRST END IN
  • End Connection Type: PLAIN SECOND END
  • Surface Treatment: CADMIUM
  • Perforation Diameter: 0.085 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy construction
General Description

The Strainer Element,sediment, cataloged under National Stock Number 4730-00-693-9989, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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: Active.

Technical Specifications
ParameterValue
NSN4730-00-693-9989
Primary Part Number31251
Item NameStrainer Element,sediment
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
MaterialCOPPER ALLOY
Style DesignatorCYLINDRICAL
Filtering Media DesignPERFORATED
Nominal Thread Size1.000 INCHES FIRST END IN
End Connection TypePLAIN SECOND END
Surface TreatmentCADMIUM
Perforation Diameter0.085 INCHES NOMINAL IN
Perforation Quantity64.0 PER SQUARE INCH
Length2.093 INCHES NOMINAL IN
Element Outside Diameter0.737 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) FIRST END
End Connection TypeTHREADED FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-268-898631251 INTERCHANGEABLE
Transformer,radio Frequency
Pax Mfg Corp Hammarlund Mfg Co Div
5940-00-549-460531251 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
5315-00-563-135031251 INTERCHANGEABLE
Pin,straight,headless
Pdi Ground Support Systems, Inc.
9150-00-804-103631-381 INTERCHANGEABLE
No Item Name Available
Ideal Industries, Inc.
5935-00-810-39333125-1 INTERCHANGEABLE
Connector,receptacle,electrical
Microwave Devices Inc
1630-01-010-93373-1251 INTERCHANGEABLE
Wheel,landing Gear
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
Cross-Reference Index
Part NumberManufacturer
31251 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
31251 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5950-00-268-8986INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
31251
5940-00-549-4605INTERCHANGEABLE
TERMINAL,LUG
31251
5315-00-563-1350INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
31251
9150-00-804-1036INTERCHANGEABLE
NO ITEM NAME AVAILABLE
31-381
5935-00-810-3933INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3125-1
1630-01-010-9337INTERCHANGEABLE
WHEEL,LANDING GEAR
3-1251

Frequently Asked Questions

What is NSN 4730-00-693-9989?

NSN 4730-00-693-9989 is a Strainer Element,sediment, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-693-9989?

NSN 4730-00-693-9989 has 2 cross-referenced part numbers: 31251 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 31251 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 4730-00-693-9989?

There are 6 known substitutes for 4730-00-693-9989: 5950-00-268-8986, 5940-00-549-4605, 5315-00-563-1350 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31251?

Key specifications for 31251: Material: COPPER ALLOY; Style Designator: CYLINDRICAL; Filtering Media Design: PERFORATED; Nominal Thread Size: 1.000 INCHES FIRST END IN. 13 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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