PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73-8Tee,tube

Formrite Tube Co · NSN 4730-01-169-9660 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-169-9660 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-169-9660. Primary manufacturer part number: 73-8.
Features
  • Tee,tube — FSC 4730
  • Leg Length: 1.375 INCHES NOMINAL FIRST END IN
  • Seat Angle: 37.0 DEGREES ALL ENDS
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Connection Type: THREADED INTERNAL TUBE FIRST END
  • Thread Class: 2A SECOND END A
  • Thread Class: 2A THIRD END A
  • Nominal Outside Diameter Tube Accommodated: 0.500 INCHES ALL ENDS IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Tee,tube, cataloged under National Stock Number 4730-01-169-9660, 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 Formrite Tube Co. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, 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
NSN4730-01-169-9660
Primary Part Number73-8
Item NameTee,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerFormrite Tube Co
StatusACTIVE
Leg Length1.375 INCHES NOMINAL FIRST END IN
Seat Angle37.0 DEGREES ALL ENDS
Nominal Thread Size0.750 INCHES ALL ENDS IN
Connection TypeTHREADED INTERNAL TUBE FIRST END
Thread Class2A SECOND END A
Thread Class2A THIRD END A
Nominal Outside Diameter Tube Accommodated0.500 INCHES ALL ENDS IN
Thread Series DesignatorUNF ALL ENDS
Connection StyleFLARED (TUBE) SECOND END
Leg Length1.250 INCHES NOMINAL SECOND END IN
Connection TypeTHREADED EXTERNAL TUBE THIRD END
Connection TypeTHREADED EXTERNAL TUBE SECOND END
MaterialSTEEL OVERALL
Leg Length1.250 INCHES NOMINAL THIRD END IN
Connection StyleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
Thread Class2B FIRST END
Connection StyleFLARED (TUBE) THIRD END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6135-00-178-9506 INTERCHANGEABLE
Battery,nonrechargeable
5120-00-224-1533738 INTERCHANGEABLE
Pliers
Channellock, Inc
5325-00-263-6632 INTERCHANGEABLE
Grommet,nonmetallic
5935-00-283-3354738 INTERCHANGEABLE
Adapter,connector to Lamp Base
Cooper Wiring Devices Inc.
5360-00-531-7890738 INTERCHANGEABLE
Spring,helical,compression
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4730-00-618-5381 INTERCHANGEABLE
Tee,tube
5110-00-763-3183 INTERCHANGEABLE
Punch and Die,knockout
4130-00-828-711913208E0331-2 INTERCHANGEABLE
Distributor,refrigerant
Carrier Corp
6240-00-926-7603380 INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Lighting Products Group Hillsboro Miniature Lamp Plant
4730-01-288-5822 INTERCHANGEABLE
Plug,pipe
Cross-Reference Index
Part NumberManufacturer
7-888-000121 Grove U.s. Llc Dba Grove Us Llc (USA)
7-888-000121 Minnpar, Llc Dba Minnpar (USA)
73-8 PRIMARY Formrite Tube Co (USA)
B6-294-003781 Grove U.s. Llc Dba Grove Us Llc (USA)
Related Parts
6135-00-178-9506INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
5120-00-224-1533INTERCHANGEABLE
PLIERS
738
5325-00-263-6632INTERCHANGEABLE
GROMMET,NONMETALLIC
5935-00-283-3354INTERCHANGEABLE
ADAPTER,CONNECTOR TO LAMP BASE
738
5360-00-531-7890INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
738
4730-00-618-5381INTERCHANGEABLE
TEE,TUBE
5110-00-763-3183INTERCHANGEABLE
PUNCH AND DIE,KNOCKOUT
4130-00-828-7119INTERCHANGEABLE
DISTRIBUTOR,REFRIGERANT
13208E0331-2
6240-00-926-7603INTERCHANGEABLE
LAMP,INCANDESCENT
380
4730-01-288-5822INTERCHANGEABLE
PLUG,PIPE
5305-01-417-9968INTERCHANGEABLE
SCREW,DRIVE
7-3/8
4730-01-484-5085INTERCHANGEABLE
STRAINER,SEDIMENT
73-8

Frequently Asked Questions

What is NSN 4730-01-169-9660?

NSN 4730-01-169-9660 is a Tee,tube, manufactured by Formrite Tube Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-169-9660?

NSN 4730-01-169-9660 has 4 cross-referenced part numbers: 7-888-000121 (Grove U.s. Llc Dba Grove Us Llc), 7-888-000121 (Minnpar, Llc Dba Minnpar), 73-8 (Formrite Tube Co), B6-294-003781 (Grove U.s. Llc Dba Grove Us Llc).

What NSN replaces 4730-01-169-9660?

There are 12 known substitutes for 4730-01-169-9660: 6135-00-178-9506, 5120-00-224-1533, 5325-00-263-6632 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 73-8?

Key specifications for 73-8: Leg Length: 1.375 INCHES NOMINAL FIRST END IN; Seat Angle: 37.0 DEGREES ALL ENDS; Nominal Thread Size: 0.750 INCHES ALL ENDS IN; Connection Type: THREADED INTERNAL TUBE FIRST END. 18 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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