PartsTable TECHNICAL DATA SHEET
NSN 4730-00-778-0370Government record, cited

Coupling Half, Quick Disconnect4730-00-778-0370

NSN 4730-00-778-0370 · NIIN 007780370 · Part number 1803R60W4
Transdigm Inc Div Adelwiggins Group · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 79326
Government record, cited
NSN 4730-00-778-0370 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-778-0370. Manufacturer of record part number: 1803R60W4.
Also searched as  4730-00-778-0370 · 4730007780370 · NIIN 007780370 · 00-778-0370 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 79326 · 1803R60W4 · 9189628
Nearby stock numbers  ·
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Nominal Pipe Size Accommodated: 0.250 INCHES ALL ENDS IN
  • Connection Style: PLAIN ALL ENDS
  • Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
  • Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS
  • Style Designator: MALE COUPLING HALF
  • Material Document and Classification: QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
  • Features Provided: SELF-SEALING
Identification
  • NSN: 4730-00-778-0370
  • NIIN: 007780370
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 1803R60W4
  • Manufacturer: Transdigm Inc Div Adelwiggins Group
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-778-0370, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Transdigm Inc Div Adelwiggins Group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-778-0370
Primary Part Number1803R60W4
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerTransdigm Inc Div Adelwiggins Group
StatusACTIVE
Nominal Pipe Size Accommodated0.250 INCHES ALL ENDS IN
Connection StylePLAIN ALL ENDS
Connection TypeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
Connection TypeINTERNAL QUICK DISCONNECT ALL ENDS
Style DesignatorMALE COUPLING HALF
Material Document and ClassificationQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
Features ProvidedSELF-SEALING
Nominal Thread Size0.250 INCHES ALL ENDS IN
Surface TreatmentANODIZE BODY
MaterialALUMINUM ALLOY BODY
Quick Disconnect MethodPUSH-PULL ALL ENDS
Thread Series DesignatorANPT ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
1803R60W4 PRIMARY Transdigm Inc Div Adelwiggins Group (USA)
9189628 Us Army Aviation and Missile Command (USA)
No interchangeability data on file.
Other items in FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895
4730-00-000-1895 · Item name not on file
4730-00-000-4289
4730-00-000-4289 · Item name not on file
4730-00-000-4445
4730-00-000-4445 · Item name not on file
4730-00-000-8373
4730-00-000-8373 · Item name not on file
4730-00-000-8897
4730-00-000-8897 · Item name not on file
4730-00-001-0007
4730-00-001-0007 · Item name not on file
4730-00-001-0008
COUPLING,TUBE
4730-00-001-0008
COUPLING,TUBE

Frequently Asked Questions

What is NSN 4730-00-778-0370?

NSN 4730-00-778-0370 is a Coupling Half,quick Disconnect, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-00-778-0370?

NSN 4730-00-778-0370 has 2 manufacturer part numbers on file: 1803R60W4 (Transdigm Inc Div Adelwiggins Group), 9189628 (Us Army Aviation and Missile Command).

What are the specifications of 1803R60W4?

Key specifications for 1803R60W4: Nominal Pipe Size Accommodated: 0.250 INCHES ALL ENDS IN; Connection Style: PLAIN ALL ENDS; Connection Type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION; Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS. 12 specifications are documented in the U.S. Government catalog.

Is NSN 4730-00-778-0370 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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