PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31286Tee,tube

Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems · NSN 4730-00-450-6626 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-450-6626 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-450-6626. Primary manufacturer part number: 31286.
Features
  • Tee,tube — FSC 4730
  • Connection Style: PLAIN (TUBE) THIRD END
  • Connection Style: COMPRESSION (TUBE) FIRST END
  • Thread Quantity Per Inch: 25 THIRD END
  • Nominal Outside Diameter Tube Accommodated: 0.312 INCHES SECOND END IN
  • Seat Nominal Radius: 0.062 INCHES FIRST END IN
  • Connection Style: COMPRESSION (TUBE) SECOND END
  • Nominal Outside Diameter Tube Accommodated: 0.312 INCHES FIRST END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Tee,tube, cataloged under National Stock Number 4730-00-450-6626, 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 Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems. Government technical data includes 18 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-450-6626
Primary Part Number31286
Item NameTee,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
StatusACTIVE
Connection StylePLAIN (TUBE) THIRD END
Connection StyleCOMPRESSION (TUBE) FIRST END
Thread Quantity Per Inch25 THIRD END
Nominal Outside Diameter Tube Accommodated0.312 INCHES SECOND END IN
Seat Nominal Radius0.062 INCHES FIRST END IN
Connection StyleCOMPRESSION (TUBE) SECOND END
Nominal Outside Diameter Tube Accommodated0.312 INCHES FIRST END IN
Nominal Thread Size0.500 INCHES FIRST END IN
Nominal Thread Size0.562 INCHES THIRD END IN
Thread Series DesignatorUNS ALL ENDS
Thread Quantity Per Inch24 FIRST END
Seat Nominal Radius0.062 INCHES SECOND END IN
Thread Quantity Per Inch24 SECOND END
Leg Length0.625 INCHES NOMINAL ALL ENDS IN
Nominal Thread Size0.500 INCHES SECOND END IN
Thread Class2A ALL ENDS A
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Nominal Outside Diameter Tube Accommodated0.375 INCHES THIRD END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5310-00-637-210531286 INTERCHANGEABLE
Washer,flat
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5950-00-808-753218334 INTERCHANGEABLE
Coil,radio Frequency
Albert Frei & Sons, Inc. Dba Afs
5133-00-838-5345 INTERCHANGEABLE
Drill,twist
5895-00-895-796218334 INTERCHANGEABLE
Converter,frequency,electronic
Custom Metering Company Inc
5330-00-911-9623N1833467 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
5930-01-428-415518334 INTERCHANGEABLE
Switch,push
Imi Cornelius Inc.
5930-01-429-3457 INTERCHANGEABLE
Switch,flow
4130-01-501-7351835-P180-100 INTERCHANGEABLE
Vacu-Discs,gold Psa
Dcm Clean Air Products, Inc.
5310-01-661-402631286 INTERCHANGEABLE
Nut,self-Locking,round
Eaton Corp Aerospace Fluid Conveyance
Cross-Reference Index
Part NumberManufacturer
A58960 Cnh Industrial America Llc Dba Cnh America (USA)
31286 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
18334 Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA)
Related Parts
5310-00-637-2105INTERCHANGEABLE
WASHER,FLAT
31286
5950-00-808-7532INTERCHANGEABLE
COIL,RADIO FREQUENCY
18334
5133-00-838-5345INTERCHANGEABLE
DRILL,TWIST
5895-00-895-7962INTERCHANGEABLE
CONVERTER,FREQUENCY,ELECTRONIC
18334
5330-00-911-9623INTERCHANGEABLE
GASKET
N1833467
5930-01-428-4155INTERCHANGEABLE
SWITCH,PUSH
18334
5930-01-429-3457INTERCHANGEABLE
SWITCH,FLOW
4130-01-501-7351INTERCHANGEABLE
VACU-DISCS,GOLD PSA
835-P180-100
5310-01-661-4026INTERCHANGEABLE
NUT,SELF-LOCKING,ROUND
31286

Frequently Asked Questions

What is NSN 4730-00-450-6626?

NSN 4730-00-450-6626 is a Tee,tube, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-450-6626?

NSN 4730-00-450-6626 has 3 cross-referenced part numbers: A58960 (Cnh Industrial America Llc Dba Cnh America), 31286 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems), 18334 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems).

What NSN replaces 4730-00-450-6626?

There are 9 known substitutes for 4730-00-450-6626: 5310-00-637-2105, 5950-00-808-7532, 5133-00-838-5345 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31286?

Key specifications for 31286: Connection Style: PLAIN (TUBE) THIRD END; Connection Style: COMPRESSION (TUBE) FIRST END; Thread Quantity Per Inch: 25 THIRD END; Nominal Outside Diameter Tube Accommodated: 0.312 INCHES SECOND END IN. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com