PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SS-400-3Tee,tube

Swagelok Co · NSN 4730-00-684-3796 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-684-3796 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-684-3796. Primary manufacturer part number: SS-400-3.
Features
  • Tee,tube — FSC 4730
  • Thread Class: 3A ALL ENDS A
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Seat Angle: 20.0 DEGREES ALL ENDS
  • Leg Length: 0.719 INCHES NOMINAL ALL ENDS IN
  • Criticality Code Justification: FEAT
  • Furnished Items and Quantity: 3 SHORT COUPLING NUT AND 6 FERRULE SLEEVE
  • Connection Type: THREADED EXTERNAL TUBE ALL ENDS
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 316 Overall construction
General Description

The Tee,tube, cataloged under National Stock Number 4730-00-684-3796, 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 Swagelok Co. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 17 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-684-3796
Primary Part NumberSS-400-3
Item NameTee,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSwagelok Co
StatusCANCELLED
Thread Class3A ALL ENDS A
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Seat Angle20.0 DEGREES ALL ENDS
Leg Length0.719 INCHES NOMINAL ALL ENDS IN
Criticality Code JustificationFEAT
Furnished Items and Quantity3 SHORT COUPLING NUT AND 6 FERRULE SLEEVE
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Surface TreatmentPASSIVATE OVERALL
Connection StyleFLARELESS (TUBE) ALL ENDS
Nominal Outside Diameter Tube Accommodated0.250 INCHES ALL ENDS IN
MaterialSTEEL COMP 316 OVERALL
Nominal Thread Size0.438 INCHES ALL ENDS IN
Thread Series DesignatorUNF ALL ENDS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
6610-00-338-6954113560 INTERCHANGEABLE
Bracket,rotating,attitude Indica
Astronautics Corporation of America
5330-00-360-67304003316 INTERCHANGEABLE
Gasket
Agco Corp Parts Opn
3040-00-413-7864113560 INTERCHANGEABLE
Damper,inertia
Lockheed Martin Corporation Div Rms - Mitchel Field
4730-00-481-6082 INTERCHANGEABLE
Tee,tube
4730-00-498-02111610-3-316 INTERCHANGEABLE
Tee,tube
Swagelok Co
2840-00-915-9480511290 INTERCHANGEABLE
Bracketxassy,combus
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4730-01-302-6642 INTERCHANGEABLE
Tee,tube
4730-01-473-2784 INTERCHANGEABLE
Tee,tube
Cross-Reference Index
Part NumberManufacturer
4TTT-316 Hoke Handelsgesellschaft Mbh (DEU)
400-3-316 J R Douglass Company (USA)
10338215 Nimikkeistokeskus Ncb Finland (FIN)
CV0115-014 Northrop Grumman Corp Electronic Systems Defensive System Div (USA)
4-4-4JBZSS Parker-Hannifin Corporation Div Instrumentation Products Division (USA)
2519171 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
400-3-316 Swagelok Co (USA)
5759348 Naval Sea Systems Command (USA)
400-3-316 Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution (USA)
4ET4-316 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA)
2519171-1 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
SS-400-3 PRIMARY Swagelok Co (USA)
11449223 Us Army Aviation and Missile Command (USA)
51-12-90 Brooks Automation, Inc. Div Cti Cryogenics (USA)
4TTT316 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
4-4-4JBZSS Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
4ET4-316 Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA)
4TTT316 J R Douglass Company (USA)
I4T-SS Ssp Fittings Corp (USA)
113560 Varo Llc (USA)
Related Parts
6610-00-338-6954INTERCHANGEABLE
BRACKET,ROTATING,ATTITUDE INDICA
113560
5330-00-360-6730INTERCHANGEABLE
GASKET
4003316
3040-00-413-7864INTERCHANGEABLE
DAMPER,INERTIA
113560
4730-00-481-6082INTERCHANGEABLE
TEE,TUBE
4730-00-498-0211INTERCHANGEABLE
TEE,TUBE
1610-3-316
2840-00-915-9480INTERCHANGEABLE
BRACKETXASSY,COMBUS
511290
4730-01-302-6642INTERCHANGEABLE
TEE,TUBE
4730-01-473-2784INTERCHANGEABLE
TEE,TUBE

Frequently Asked Questions

What is NSN 4730-00-684-3796?

NSN 4730-00-684-3796 is a Tee,tube, manufactured by Swagelok Co, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-684-3796?

NSN 4730-00-684-3796 has 20 cross-referenced part numbers: 4TTT-316 (Hoke Handelsgesellschaft Mbh), 400-3-316 (J R Douglass Company), 10338215 (Nimikkeistokeskus Ncb Finland), CV0115-014 (Northrop Grumman Corp Electronic Systems Defensive System Div), 4-4-4JBZSS (Parker-Hannifin Corporation Div Instrumentation Products Division) and 15 more.

What NSN replaces 4730-00-684-3796?

There are 8 known substitutes for 4730-00-684-3796: 6610-00-338-6954, 5330-00-360-6730, 3040-00-413-7864 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SS-400-3?

Key specifications for SS-400-3: Thread Class: 3A ALL ENDS A; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; End Item Identification: TORPEDO SYSTEMS, MK46;CRYOGENIC SYSTEMS;ROWPU, 3K GPH; MISSILE,THOMAHAWK; TICONDEROGA CLASS CG 947); SUPPORT EQUIPMENT, MX PEACEKEEPER MISSILE; SUPPORT EQUIPMENT, B-1 AIRCRAFT; ARLEIGH BURKE CLASS DDG; KIDD CLASS DDG; Seat Angle: 20.0 DEGREES ALL ENDS. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-684-3796 still in active supply?

NSN 4730-00-684-3796 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.
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