PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SS-400-1-4Adapter,straight,pipe to Tube

Swagelok Co · NSN 4730-01-641-0634 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-641-0634 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-641-0634. Primary manufacturer part number: SS-400-1-4.
Features
  • Adapter,straight,pipe to Tube — FSC 4730
  • Connection Style: SWIVEL NUT, COMPRESSION (TUBE) FIRST END
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Connection Style: INVERTED FLARE (PIPE) SECOND END
  • Material: STEEL STAINLESS - USE STB000 OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Swagelok Co
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Stainless - Use STB000 Overall construction
General Description

The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-01-641-0634, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-641-0634
Primary Part NumberSS-400-1-4
Item NameAdapter,straight,pipe to Tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSwagelok Co
StatusACTIVE
Connection StyleSWIVEL NUT, COMPRESSION (TUBE) FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Connection StyleINVERTED FLARE (PIPE) SECOND END
MaterialSTEEL STAINLESS - USE STB000 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4730-00-239-0189SS-400-1-4 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Swagelok Co
4730-01-303-1235 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4730-01-609-4802 INTERCHANGEABLE
Adapter,straight,pipe to Tube
4730-01-692-3581 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Cross-Reference Index
Part NumberManufacturer
SS-400-1-4 PRIMARY Swagelok Co (USA)
Related Parts
4730-00-239-0189INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SS-400-1-4
4730-01-303-1235INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-01-609-4802INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
4730-01-692-3581INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE

Frequently Asked Questions

What is NSN 4730-01-641-0634?

NSN 4730-01-641-0634 is a Adapter,straight,pipe to Tube, manufactured by Swagelok Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-641-0634?

NSN 4730-01-641-0634 has 1 cross-referenced part number: SS-400-1-4 (Swagelok Co).

What NSN replaces 4730-01-641-0634?

There are 4 known substitutes for 4730-01-641-0634: 4730-00-239-0189, 4730-01-303-1235, 4730-01-609-4802 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SS-400-1-4?

Key specifications for SS-400-1-4: Connection Style: SWIVEL NUT, COMPRESSION (TUBE) FIRST END; End Item Identification: SPACERADAR; Connection Type: THREADED EXTERNAL TUBE FIRST END; Connection Type: THREADED EXTERNAL PIPE SECOND END. 6 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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