PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6-121Coupling Half,quick Disconnect

Transdigm Inc Div Adelwiggins Group · NSN 4730-00-603-4371 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-603-4371 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-603-4371. Primary manufacturer part number: 6-121.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • 1 verified cross-reference
  • Primary manufacturer: Transdigm Inc Div Adelwiggins Group
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-603-4371, 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 Transdigm Inc Div Adelwiggins Group. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersTransdigm Inc Div Adelwiggins Group (CAGE 79326)
Technical Specifications
ParameterValue
NSN4730-00-603-4371
Primary Part Number6-121
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTransdigm Inc Div Adelwiggins Group
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1005-00-019-78916121 INTERCHANGEABLE
Plunger,trigger
Smith & Wesson Sales Company
5210-00-050-5143436.1MRL-150 INTERCHANGEABLE
Caliper,micrometer,outside
L.s. Starrett Company (the) Div Tool Division
3110-00-100-362152400 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
3110-00-142-4286 INTERCHANGEABLE
Bearing,ball,airframe
4930-00-275-7900 INTERCHANGEABLE
Oiler,hand
3455-00-293-052408720 INTERCHANGEABLE
Cutter,milling,metal Slitting
Niagara Cutter Inc
6250-00-299-60962036 INTERCHANGEABLE
Lampholder
Cole Hersee Company
9905-00-474-35816121 INTERCHANGEABLE
Plate,instruction
Hiller Aircraft Corporation
5305-00-591-332021027 INTERCHANGEABLE
Screw,machine
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5307-00-637-9005 INTERCHANGEABLE
Stud,plain
Cross-Reference Index
Part NumberManufacturer
6-121 PRIMARY Transdigm Inc Div Adelwiggins Group (USA)
Related Parts
1005-00-019-7891INTERCHANGEABLE
PLUNGER,TRIGGER
6121
5210-00-050-5143INTERCHANGEABLE
CALIPER,MICROMETER,OUTSIDE
436.1MRL-150
3110-00-100-3621INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
52400
3110-00-142-4286INTERCHANGEABLE
BEARING,BALL,AIRFRAME
4930-00-275-7900INTERCHANGEABLE
OILER,HAND
3455-00-293-0524INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
08720
6250-00-299-6096INTERCHANGEABLE
LAMPHOLDER
2036
9905-00-474-3581INTERCHANGEABLE
PLATE,INSTRUCTION
6121
5305-00-591-3320INTERCHANGEABLE
SCREW,MACHINE
21027
5307-00-637-9005INTERCHANGEABLE
STUD,PLAIN
5950-00-681-7181INTERCHANGEABLE
TRANSFORMER,POWER
C7742826P001
5310-00-927-0421INTERCHANGEABLE
NUT,TENSION

Frequently Asked Questions

What is NSN 4730-00-603-4371?

NSN 4730-00-603-4371 is a Coupling Half,quick Disconnect, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-603-4371?

NSN 4730-00-603-4371 has 1 cross-referenced part number: 6-121 (Transdigm Inc Div Adelwiggins Group).

What NSN replaces 4730-00-603-4371?

There are 12 known substitutes for 4730-00-603-4371: 1005-00-019-7891, 5210-00-050-5143, 3110-00-100-3621 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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