PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12627-3Coupling,boss

Triumph Controls, Llc Dba Triumph Controls, Llc · NSN 4730-00-073-1766 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-073-1766 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-073-1766. Primary manufacturer part number: 12627-3.
Features
  • Coupling,boss — FSC 4730
  • Material: STEEL OVERALL
  • Nominal Overall Length: 0.940 INCHES IN
  • Thread Series Designator: UNF ALL ENDS
  • Thread Class: 2B ALL ENDS
  • Style Designator: RIGID, SHORT CENTER WRENCHING FACILITY
  • Connection Style: GASKET SEAL (BOSS) ALL ENDS
  • Nominal Thread Size: 0.375 INCHES ALL ENDS IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Coupling,boss, cataloged under National Stock Number 4730-00-073-1766, 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 Triumph Controls, Llc Dba Triumph Controls, Llc. Government technical data includes 7 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-073-1766
Primary Part Number12627-3
Item NameCoupling,boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTriumph Controls, Llc Dba Triumph Controls, Llc
StatusACTIVE
MaterialSTEEL OVERALL
Nominal Overall Length0.940 INCHES IN
Thread Series DesignatorUNF ALL ENDS
Thread Class2B ALL ENDS
Style DesignatorRIGID, SHORT CENTER WRENCHING FACILITY
Connection StyleGASKET SEAL (BOSS) ALL ENDS
Nominal Thread Size0.375 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4320-00-509-19361H6521 INTERCHANGEABLE
Rotor,pump
Mitsubishi Caterpillar Forklift America, Inc
Cross-Reference Index
Part NumberManufacturer
12627-3 PRIMARY Triumph Controls, Llc Dba Triumph Controls, Llc (USA)
12627-3 Satair A/s (DNK)
Related Parts
4320-00-509-1936INTERCHANGEABLE
ROTOR,PUMP
1H6521

Frequently Asked Questions

What is NSN 4730-00-073-1766?

NSN 4730-00-073-1766 is a Coupling,boss, manufactured by Triumph Controls, Llc Dba Triumph Controls, Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-073-1766?

NSN 4730-00-073-1766 has 2 cross-referenced part numbers: 12627-3 (Triumph Controls, Llc Dba Triumph Controls, Llc), 12627-3 (Satair A/s).

What NSN replaces 4730-00-073-1766?

There is 1 known substitute for 4730-00-073-1766: 4320-00-509-1936. Verify interchangeability with system specifications before substitution.

What are the specifications of 12627-3?

Key specifications for 12627-3: Material: STEEL OVERALL; Nominal Overall Length: 0.940 INCHES IN; Thread Series Designator: UNF ALL ENDS; Thread Class: 2B ALL ENDS. 7 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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