PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B605-4Insert,tube Fitting

Swagelok Co · NSN 4730-00-871-8376 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-871-8376 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-871-8376. Primary manufacturer part number: B605-4.
Features
  • Insert,tube Fitting — FSC 4730
  • Tube Inside Diameter for Which Designed: 0.250 INCHES NOMINAL IN
  • Flange Outside Diameter: 0.368 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
  • Sleeve Outside Diameter: 0.250 INCHES NOMINAL IN
  • Style Designator: SERRATED
  • Material: COPPER ALLOY
  • Casehardening Indicator: NOT CASEHARDENED
  • 6 verified cross-references
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy construction
General Description

The Insert,tube Fitting, cataloged under National Stock Number 4730-00-871-8376, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-871-8376
Primary Part NumberB605-4
Item NameInsert,tube Fitting
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSwagelok Co
StatusCANCELLED
Tube Inside Diameter for Which Designed0.250 INCHES NOMINAL IN
Flange Outside Diameter0.368 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Sleeve Outside Diameter0.250 INCHES NOMINAL IN
Style DesignatorSERRATED
MaterialCOPPER ALLOY
Casehardening IndicatorNOT CASEHARDENED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5915-00-003-7765930409-30 INTERCHANGEABLE
Filter,radio Frequency Interfere
Raytheon Company Dba Raytheon
5915-00-121-360511728614-1 INTERCHANGEABLE
Filter,radio Frequency Interfere
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5905-00-934-8502A8886 INTERCHANGEABLE
Resistor Assembly
Bae Systems Information and Electronic Systems Integration Inc.
5330-01-050-9622154-2769 INTERCHANGEABLE
Gasket
Cummins Power Generation Inc.
1670-01-431-0727D282 INTERCHANGEABLE
Deployment Bag,parachute
Para-Gear Equipment Co
5915-01-640-99818244025-1 INTERCHANGEABLE
Filter Assembly,electrical
Raytheon Company Div Corp
Cross-Reference Index
Part NumberManufacturer
A-8886 Mkt Geotechnical Systems (USA)
D282 Mkt Geotechnical Systems (USA)
D182 Mkt Geotechnical Systems (USA)
B605-4 PRIMARY Swagelok Co (USA)
A-8886/B Mkt Geotechnical Systems (USA)
0103600 Mkt Geotechnical Systems (USA)
Related Parts
5915-00-003-7765INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
930409-30
5915-00-121-3605INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
11728614-1
5905-00-934-8502INTERCHANGEABLE
RESISTOR ASSEMBLY
A8886
5330-01-050-9622INTERCHANGEABLE
GASKET
154-2769
1670-01-431-0727INTERCHANGEABLE
DEPLOYMENT BAG,PARACHUTE
D282
5915-01-640-9981INTERCHANGEABLE
FILTER ASSEMBLY,ELECTRICAL
8244025-1

Frequently Asked Questions

What is NSN 4730-00-871-8376?

NSN 4730-00-871-8376 is a Insert,tube Fitting, manufactured by Swagelok Co, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-871-8376?

NSN 4730-00-871-8376 has 6 cross-referenced part numbers: A-8886 (Mkt Geotechnical Systems), D282 (Mkt Geotechnical Systems), D182 (Mkt Geotechnical Systems), B605-4 (Swagelok Co), A-8886/B (Mkt Geotechnical Systems) and 1 more.

What NSN replaces 4730-00-871-8376?

There are 6 known substitutes for 4730-00-871-8376: 5915-00-003-7765, 5915-00-121-3605, 5905-00-934-8502 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B605-4?

Key specifications for B605-4: Tube Inside Diameter for Which Designed: 0.250 INCHES NOMINAL IN; Flange Outside Diameter: 0.368 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN; Sleeve Outside Diameter: 0.250 INCHES NOMINAL IN; Style Designator: SERRATED. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-871-8376 still in active supply?

NSN 4730-00-871-8376 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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