PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST49D5Coupling Half,self-Sealing

Lockheed Martin Corp · NSN 4730-00-930-6690 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-930-6690 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-930-6690. Primary manufacturer part number: ST49D5.
Features
  • Coupling Half,self-Sealing — FSC 4730
  • 5 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Coupling Half,self-Sealing, cataloged under National Stock Number 4730-00-930-6690, 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 Lockheed Martin Corp. This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCoupling Half,self-Sealing
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersLockheed Martin Corp (CAGE 04236); Bosch Automotive Service Solutions Inc. (CAGE 45225); Us Army Aviation and Missile Command (CAGE 18876)
Technical Specifications
ParameterValue
NSN4730-00-930-6690
Primary Part NumberST49D5
Item NameCoupling Half,self-Sealing
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-099-50699796 INTERCHANGEABLE
Gasket
Mission Systems Wimborne Limited Div Cobham Mission Systems Wimborne Ltd
4730-01-241-4646 INTERCHANGEABLE
Tee,pipe
4720-01-241-5491 INTERCHANGEABLE
Hose Assembly,nonmetallic
4730-01-241-6617 INTERCHANGEABLE
Coupling Half,self-Sealing
5315-01-319-9194 INTERCHANGEABLE
Pin,straight,headless
5930-01-348-41719796 INTERCHANGEABLE
Switch,toggle
Carlisle & Finch Co
5950-01-417-0055 INTERCHANGEABLE
Transformer,power
6145-01-494-01589946 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire and Cable Co Wire and Cable Office
4730-01-678-01919796 INTERCHANGEABLE
Coupling Half,quick Disconnect
Heyco Inc Dba Heyco Products
Cross-Reference Index
Part NumberManufacturer
ST49D5 Lockheed Martin Corp (USA)
Y25-1 Bosch Automotive Service Solutions Inc. (USA)
10193243-002 Us Army Aviation and Missile Command (USA)
ST49D5-11 Lockheed Martin Corp (USA)
9796 Bosch Automotive Service Solutions Inc. (USA)
Related Parts
5330-00-099-5069INTERCHANGEABLE
GASKET
9796
4730-01-241-4646INTERCHANGEABLE
TEE,PIPE
4720-01-241-5491INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4730-01-241-6617INTERCHANGEABLE
COUPLING HALF,SELF-SEALING
5315-01-319-9194INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5930-01-348-4171INTERCHANGEABLE
SWITCH,TOGGLE
9796
5950-01-417-0055INTERCHANGEABLE
TRANSFORMER,POWER
6145-01-494-0158INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
9946
4730-01-678-0191INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
9796

Frequently Asked Questions

What is NSN 4730-00-930-6690?

NSN 4730-00-930-6690 is a Coupling Half,self-Sealing, manufactured by Lockheed Martin Corp, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-930-6690?

NSN 4730-00-930-6690 has 5 cross-referenced part numbers: ST49D5 (Lockheed Martin Corp), Y25-1 (Bosch Automotive Service Solutions Inc.), 10193243-002 (Us Army Aviation and Missile Command), ST49D5-11 (Lockheed Martin Corp), 9796 (Bosch Automotive Service Solutions Inc.).

What NSN replaces 4730-00-930-6690?

There are 9 known substitutes for 4730-00-930-6690: 5330-00-099-5069, 4730-01-241-4646, 4720-01-241-5491 and 6 more. Verify interchangeability with system specifications before substitution.

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