PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

777-4Coupling Half,quick Disconnect

Milton Industries, Inc · NSN 4730-01-216-5134 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-216-5134 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-216-5134. Primary manufacturer part number: 777-4.
Features
  • Coupling Half,quick Disconnect — FSC 4730
  • Nominal Inside Diameter Hose Accommodated: 0.250 INCHES ALL ENDS IN
  • Quick Disconnect Method: PUSH-PULL ALL ENDS
  • Material: STEEL BODY
  • Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS
  • Features Provided: SELF-SEALING
  • Style Designator: MALE COUPLING HALF
  • Quick Disconnect Nominal Size: 0.250 INCHES ALL ENDS IN
Applications
  • Applications requiring Steel Body construction
General Description

The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-216-5134, 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 Milton Industries, Inc. Government technical data includes 10 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-216-5134
Primary Part Number777-4
Item NameCoupling Half,quick Disconnect
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilton Industries, Inc
StatusACTIVE
Nominal Inside Diameter Hose Accommodated0.250 INCHES ALL ENDS IN
Quick Disconnect MethodPUSH-PULL ALL ENDS
MaterialSTEEL BODY
Connection TypeEXTERNAL QUICK DISCONNECT ALL ENDS
Features ProvidedSELF-SEALING
Style DesignatorMALE COUPLING HALF
Quick Disconnect Nominal Size0.250 INCHES ALL ENDS IN
Connection StyleBARBED OR SERRATED END ALL ENDS
Furnished Items and Quantity1 SEAL
Connection TypeUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-100-0263497 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Rbc Bearings Incorporated Div West Trenton Division
5360-00-394-7905 INTERCHANGEABLE
Spring
Cross-Reference Index
Part NumberManufacturer
5343K18 Mcmaster-Carr Supply Co (USA)
777-4 PRIMARY Milton Industries, Inc (USA)
Related Parts
3110-00-100-0263INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
497
5360-00-394-7905INTERCHANGEABLE
SPRING

Frequently Asked Questions

What is NSN 4730-01-216-5134?

NSN 4730-01-216-5134 is a Coupling Half,quick Disconnect, manufactured by Milton Industries, Inc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-216-5134?

NSN 4730-01-216-5134 has 2 cross-referenced part numbers: 5343K18 (Mcmaster-Carr Supply Co), 777-4 (Milton Industries, Inc).

What NSN replaces 4730-01-216-5134?

There are 2 known substitutes for 4730-01-216-5134: 3110-00-100-0263, 5360-00-394-7905. Verify interchangeability with system specifications before substitution.

What are the specifications of 777-4?

Key specifications for 777-4: Nominal Inside Diameter Hose Accommodated: 0.250 INCHES ALL ENDS IN; Quick Disconnect Method: PUSH-PULL ALL ENDS; Material: STEEL BODY; Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS. 10 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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