PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-400-6-2Reducer,tube

Swagelok Co · NSN 4730-01-561-9862 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-561-9862 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-561-9862. Primary manufacturer part number: B-400-6-2.
Features
  • Reducer,tube — FSC 4730
  • Reduced Passage Nominal Inside Diameter: 0.090 INCHES INLET IN
  • Style Designator: SWAGED BOTH ENDS
  • Nominal Overall Length: 1.520 INCHES IN
  • 1 verified cross-reference
  • Primary manufacturer: Swagelok Co
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Reducer,tube, cataloged under National Stock Number 4730-01-561-9862, 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 3 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-561-9862
Primary Part NumberB-400-6-2
Item NameReducer,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSwagelok Co
StatusACTIVE
Reduced Passage Nominal Inside Diameter0.090 INCHES INLET IN
Style DesignatorSWAGED BOTH ENDS
Nominal Overall Length1.520 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-783-8846 INTERCHANGEABLE
Reducer,tube
Cross-Reference Index
Part NumberManufacturer
B-400-6-2 PRIMARY Swagelok Co (USA)
Related Parts
4730-00-783-8846INTERCHANGEABLE
REDUCER,TUBE

Frequently Asked Questions

What is NSN 4730-01-561-9862?

NSN 4730-01-561-9862 is a Reducer,tube, manufactured by Swagelok Co, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-561-9862?

NSN 4730-01-561-9862 has 1 cross-referenced part number: B-400-6-2 (Swagelok Co).

What NSN replaces 4730-01-561-9862?

There is 1 known substitute for 4730-01-561-9862: 4730-00-783-8846. Verify interchangeability with system specifications before substitution.

What are the specifications of B-400-6-2?

Key specifications for B-400-6-2: Reduced Passage Nominal Inside Diameter: 0.090 INCHES INLET IN; Style Designator: SWAGED BOTH ENDS; Part Name Assigned by Controlling Agency: BRASS TUBE FITTING, REDUCING UNION, 1/4 X 1/8 INCH IN; Special Features: REDUCING UNION, 1/4 INCH TO 1/8 INCH IN. 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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