PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4139Coupling Half,quick Disconnect

Elliott Machine Works Inc · NSN 4730-01-005-4913 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-005-4913 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-005-4913. Primary manufacturer part number: 4139.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Connection Style: PLAIN ALL ENDS
  • Quick Disconnect Method: SPRING PUSH-LOCK ALL ENDS
  • Features Provided: SELF-SEALING
  • Quick Disconnect Nominal Size: 1.625 INCHES ALL ENDS IN
  • Material: STEEL BODY
  • Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
  • Thread Series Designator: NPT ALL ENDS
Applications
  • Applications requiring Steel Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-005-4913, 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 Elliott Machine Works Inc. 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-005-4913
Primary Part Number4139
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerElliott Machine Works Inc
StatusACTIVE
Connection StylePLAIN ALL ENDS
Quick Disconnect MethodSPRING PUSH-LOCK ALL ENDS
Features ProvidedSELF-SEALING
Quick Disconnect Nominal Size1.625 INCHES ALL ENDS IN
MaterialSTEEL BODY
Connection TypeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
Thread Series DesignatorNPT ALL ENDS
Surface TreatmentCADMIUM BODY
Connection TypeINTERNAL QUICK DISCONNECT ALL ENDS
Nominal Thread Size0.250 INCHES ALL ENDS IN
Leg Length0.562 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
Style DesignatorMALE COUPLING HALF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5330-00-054-6865 INTERCHANGEABLE
Packing,preformed
4940-00-057-2428 INTERCHANGEABLE
Diaphragm,air
5330-00-119-93294139 INTERCHANGEABLE
Packing,preformed
Thomas Electronics, Inc. Dba Thomas Electronics of New York Incorporated
4820-00-213-0181010.302.0075 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5305-00-263-9164AN565D6L3 INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-349-81804139 INTERCHANGEABLE
Screw,intermediate
Wakmann Watch Company Inc
6625-01-014-4971D4468 INTERCHANGEABLE
Meter,multiple Scale
Electro-Metrics Corporation Dba Electro-Metrics
4920-01-351-84514145 INTERCHANGEABLE
Test Set Subassembly,aircraft Co
Electro Optical Industries Inc
3990-01-390-462115MTC-1/1560 INTERCHANGEABLE
Binder,load
Peck & Hale, Llc
5315-01-579-82514139 INTERCHANGEABLE
Tack
Amtak Fasteners
Cross-Reference Index
Part NumberManufacturer
4139 PRIMARY Elliott Machine Works Inc (USA)
820125 1-4 Wheelabrator-Frye Inc Balcrank Products (USA)
Related Parts
5330-00-054-6865INTERCHANGEABLE
PACKING,PREFORMED
4940-00-057-2428INTERCHANGEABLE
DIAPHRAGM,AIR
5330-00-119-9329INTERCHANGEABLE
PACKING,PREFORMED
4139
4820-00-213-0181INTERCHANGEABLE
SEAT,VALVE
010.302.0075
5305-00-263-9164INTERCHANGEABLE
SETSCREW
AN565D6L3
5305-00-349-8180INTERCHANGEABLE
SCREW,INTERMEDIATE
4139
6625-01-014-4971INTERCHANGEABLE
METER,MULTIPLE SCALE
D4468
4920-01-351-8451INTERCHANGEABLE
TEST SET SUBASSEMBLY,AIRCRAFT CO
4145
3990-01-390-4621INTERCHANGEABLE
BINDER,LOAD
15MTC-1/1560
5315-01-579-8251INTERCHANGEABLE
TACK
4139

Frequently Asked Questions

What is NSN 4730-01-005-4913?

NSN 4730-01-005-4913 is a Coupling Half,quick Disconnect, manufactured by Elliott Machine Works Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-005-4913?

NSN 4730-01-005-4913 has 2 cross-referenced part numbers: 4139 (Elliott Machine Works Inc), 820125 1-4 (Wheelabrator-Frye Inc Balcrank Products).

What NSN replaces 4730-01-005-4913?

There are 10 known substitutes for 4730-01-005-4913: 5330-00-054-6865, 4940-00-057-2428, 5330-00-119-9329 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4139?

Key specifications for 4139: Connection Style: PLAIN ALL ENDS; Overall Length: 1.875 INCHES NOMINAL IN; Quick Disconnect Method: SPRING PUSH-LOCK ALL ENDS; Features Provided: SELF-SEALING. 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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