PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1B4101Coupling,pipe

Allied Enterprises, Inc. · NSN 4730-01-184-9416 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-184-9416 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-184-9416. Primary manufacturer part number: 1B4101.
Features
  • Coupling,pipe — FSC 4730
  • Thread Series Designator: NPT ALL ENDS
  • Connection Style: PLAIN (PIPE) ALL ENDS
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Style Designator: THREADED INTERNAL
  • Nominal Thread Size: 0.250 INCHES ALL ENDS IN
  • 1 verified cross-reference
  • Primary manufacturer: Allied Enterprises, Inc.
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Coupling,pipe, cataloged under National Stock Number 4730-01-184-9416, 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 Allied Enterprises, Inc.. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-184-9416
Primary Part Number1B4101
Item NameCoupling,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAllied Enterprises, Inc.
StatusACTIVE
Thread Series DesignatorNPT ALL ENDS
Connection StylePLAIN (PIPE) ALL ENDS
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Style DesignatorTHREADED INTERNAL
Nominal Thread Size0.250 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-554-58381B4101 INTERCHANGEABLE
Bearing,ball,annular
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
1B4101 PRIMARY Allied Enterprises, Inc. (USA)
Related Parts
3110-00-554-5838INTERCHANGEABLE
BEARING,BALL,ANNULAR
1B4101

Frequently Asked Questions

What is NSN 4730-01-184-9416?

NSN 4730-01-184-9416 is a Coupling,pipe, manufactured by Allied Enterprises, Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-184-9416?

NSN 4730-01-184-9416 has 1 cross-referenced part number: 1B4101 (Allied Enterprises, Inc.).

What NSN replaces 4730-01-184-9416?

There is 1 known substitute for 4730-01-184-9416: 3110-00-554-5838. Verify interchangeability with system specifications before substitution.

What are the specifications of 1B4101?

Key specifications for 1B4101: Thread Series Designator: NPT ALL ENDS; Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: THREADED INTERNAL. 5 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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