PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

629900-2Coupling Half,quick Disconnect

Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto · NSN 4730-00-838-9883 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-838-9883 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-838-9883. Primary manufacturer part number: 629900-2.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Quick Disconnect Method: PUSH-PULL ALL ENDS
  • Leg Length: 1.016 INCHES NOMINAL IN
  • Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
  • Style Designator: MALE COUPLING HALF
  • Surface Treatment: ANODIZE BODY
  • Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS
  • Material: ALUMINUM ALLOY BODY
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-838-9883, 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 Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-838-9883
Primary Part Number629900-2
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerHoneywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto
StatusACTIVE
Quick Disconnect MethodPUSH-PULL ALL ENDS
Leg Length1.016 INCHES NOMINAL IN
Connection TypeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
Style DesignatorMALE COUPLING HALF
Surface TreatmentANODIZE BODY
Connection TypeEXTERNAL QUICK DISCONNECT ALL ENDS
MaterialALUMINUM ALLOY BODY
Furnished ItemsCOVER
Thread Series DesignatorUNF ALL ENDS
Seat Angle37.0 DEGREES
Nominal Thread Size0.438 INCHES ALL ENDS IN
Nominal Outside Diameter Tube Accommodated0.250 INCHES ALL ENDS IN
Connection StyleFLARED ALL ENDS
Thread Class3A ALL ENDS A
Material Document and ClassificationQQ-A-255/5,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-838-9889300 112 HB INTERCHANGEABLE
Clamp,hose
O Hair P E and Co
6620-00-980-6258650505-2 INTERCHANGEABLE
Parts Kit,thermosta
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
Cross-Reference Index
Part NumberManufacturer
629900-2 Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto (CAN)
6505-052 Parker Hannifin Corporation Dba Quick Coupling Div Div Quick Coupling Division Bruning Operation (USA)
6505-052 Flodraulic Group Incorporated (USA)
Related Parts
4730-00-838-9889INTERCHANGEABLE
CLAMP,HOSE
300 112 HB
6620-00-980-6258INTERCHANGEABLE
PARTS KIT,THERMOSTA
650505-2

Frequently Asked Questions

What is NSN 4730-00-838-9883?

NSN 4730-00-838-9883 is a Coupling Half,quick Disconnect, manufactured by Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-838-9883?

NSN 4730-00-838-9883 has 3 cross-referenced part numbers: 629900-2 (Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto), 6505-052 (Parker Hannifin Corporation Dba Quick Coupling Div Div Quick Coupling Division Bruning Operation), 6505-052 (Flodraulic Group Incorporated).

What NSN replaces 4730-00-838-9883?

There are 2 known substitutes for 4730-00-838-9883: 4730-00-838-9889, 6620-00-980-6258. Verify interchangeability with system specifications before substitution.

What are the specifications of 629900-2?

Key specifications for 629900-2: Quick Disconnect Method: PUSH-PULL ALL ENDS; Leg Length: 1.016 INCHES NOMINAL IN; Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION; Style Designator: MALE COUPLING HALF. 16 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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