PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10178Sleeve,flared,tube Fitting

Triumph Engine Control Systems Llc · NSN 4730-00-277-9746 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-277-9746 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-277-9746. Primary manufacturer part number: 10178.
Features
  • Sleeve,flared,tube Fitting — FSC 4730
  • Hose/tube Outside Diameter for Which Designed: 0.250 INCHES NOMINAL IN
  • Sleeve Outside Diameter: 0.297 INCHES NOMINAL IN
  • Flange Outside Diameter: 0.383 INCHES NOMINAL IN
  • Seat Angle in Deg: 33.0
  • Flange Width: 0.141 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM
  • Material: COPPER ALLOY 630
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy 630 construction
General Description

The Sleeve,flared,tube Fitting, cataloged under National Stock Number 4730-00-277-9746, 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 Triumph Engine Control Systems Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-277-9746
Primary Part Number10178
Item NameSleeve,flared,tube Fitting
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusCANCELLED
Hose/tube Outside Diameter for Which Designed0.250 INCHES NOMINAL IN
Sleeve Outside Diameter0.297 INCHES NOMINAL IN
Flange Outside Diameter0.383 INCHES NOMINAL IN
Seat Angle in Deg33.0
Flange Width0.141 INCHES NOMINAL IN
Surface TreatmentCADMIUM
MaterialCOPPER ALLOY 630
Style DesignatorSLEEVE
Casehardening IndicatorNOT CASEHARDENED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5330-00-263-94624034745-4 INTERCHANGEABLE
Retainer,packing
Honeywell International Inc. Dba Honeywell International
4730-00-278-0678AS5176-04 INTERCHANGEABLE
Sleeve,flared,tube Fitting
Sae International Dba Sae International
4320-00-393-351210178 INTERCHANGEABLE
Sleeve,shaft,pump
Rps-Fl, Inc. Dba Rps Inc
5977-00-628-532210178 INTERCHANGEABLE
Brush,electrical Contact
Miraj Corp
5965-00-715-6158 INTERCHANGEABLE
Cushion,ear
3010-01-130-600210178 INTERCHANGEABLE
Disk,clutch,nonvehicular
Cookson Company the
4820-01-218-002010178 INTERCHANGEABLE
Parts Kit,safety Relief Valve
Itw Food Equipment Group Llc Dba Gaylord Industries
4730-01-384-6386G92197-200 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
7530-01-434-1772643-09-BA-11061 INTERCHANGEABLE
Film,copying,thermographic Proce
Nova Restoration Services Inc
4820-01-566-244810178 INTERCHANGEABLE
Valve Assembly,manifold
Amerex Corporation Dba Amerex Corp
Cross-Reference Index
Part NumberManufacturer
10178 Triumph Engine Control Systems Llc (USA)
39A38 Surface Combustion Inc (USA)
8177080 Us Army Aviation and Missile Command (USA)
MILF5509 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
R45S7540 Naval Inventory Control Point (USA)
AN819-4Z Aeronautical Standards Group Dept of Navy and Air Force (USA)
Related Parts
5330-00-263-9462INTERCHANGEABLE
RETAINER,PACKING
4034745-4
4730-00-278-0678INTERCHANGEABLE
SLEEVE,FLARED,TUBE FITTING
AS5176-04
4320-00-393-3512INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
10178
5977-00-628-5322INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
10178
5965-00-715-6158INTERCHANGEABLE
CUSHION,EAR
3010-01-130-6002INTERCHANGEABLE
DISK,CLUTCH,NONVEHICULAR
10178
4820-01-218-0020INTERCHANGEABLE
PARTS KIT,SAFETY RELIEF VALVE
10178
4730-01-384-6386INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
G92197-200
7530-01-434-1772INTERCHANGEABLE
FILM,COPYING,THERMOGRAPHIC PROCE
643-09-BA-11061
4820-01-566-2448INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD
10178

Frequently Asked Questions

What is NSN 4730-00-277-9746?

NSN 4730-00-277-9746 is a Sleeve,flared,tube Fitting, manufactured by Triumph Engine Control Systems Llc, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-277-9746?

NSN 4730-00-277-9746 has 6 cross-referenced part numbers: 10178 (Triumph Engine Control Systems Llc), 39A38 (Surface Combustion Inc), 8177080 (Us Army Aviation and Missile Command), MILF5509 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), R45S7540 (Naval Inventory Control Point) and 1 more.

What NSN replaces 4730-00-277-9746?

There are 10 known substitutes for 4730-00-277-9746: 5330-00-263-9462, 4730-00-278-0678, 4320-00-393-3512 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10178?

Key specifications for 10178: Overall Length: 0.406 INCHES NOMINAL IN; Hose/tube Outside Diameter for Which Designed: 0.250 INCHES NOMINAL IN; Sleeve Outside Diameter: 0.297 INCHES NOMINAL IN; Flange Outside Diameter: 0.383 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-277-9746 still in active supply?

NSN 4730-00-277-9746 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com