PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-H-17902Adapter,straight,pipe to Hose

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 4730-01-242-2832 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-242-2832 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-242-2832. Primary manufacturer part number: MIL-H-17902.
Features
  • Adapter,straight,pipe to Hose — FSC 4730
  • Thread Series Designator: NPT FIRST END
  • Connection Style: GRIPPING NIPPLE (NOSE) SECOND END
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Nominal Outside Diameter Hose Accommodated: 3.100 INCHES SECOND END IN
  • Connection Style: PLAIN (PIPE) FIRST END
  • Nominal Thread Size: 2.500 INCHES FIRST END IN
  • Nominal Inside Diameter Hose Accommodated: 2.500 INCHES SECOND END IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Adapter,straight,pipe to Hose, cataloged under National Stock Number 4730-01-242-2832, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-242-2832
Primary Part NumberMIL-H-17902
Item NameAdapter,straight,pipe to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Thread Series DesignatorNPT FIRST END
Connection StyleGRIPPING NIPPLE (NOSE) SECOND END
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Nominal Outside Diameter Hose Accommodated3.100 INCHES SECOND END IN
Connection StylePLAIN (PIPE) FIRST END
Nominal Thread Size2.500 INCHES FIRST END IN
Nominal Inside Diameter Hose Accommodated2.500 INCHES SECOND END IN
Connection TypeTHREADED EXTERNAL HOSE GRIPPING SECOND END
Nominal Overall Length4.594 INCHES IN
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4720-00-142-2070 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-00-289-0756 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-00-346-64762-27464 INTERCHANGEABLE
Hose Assembly,nonmetallic
Dresser Industries Inc Leroi Div
4720-00-826-4782 INTERCHANGEABLE
Hose Assembly,nonmetallic
4730-01-242-7734 INTERCHANGEABLE
Adapter,straight,pipe to Hose
4720-01-254-0191 INTERCHANGEABLE
Hose,nonmetallic
4720-01-270-5801 INTERCHANGEABLE
Hose Assembly,nonmetallic
4720-01-541-76574720-DA0-733825X5 INTERCHANGEABLE
Hose Assembly,nonmetallic
Echelon Supply and Service, Inc.
4720-01-541-76594720-DA0-733826X5 INTERCHANGEABLE
Hose Assembly,nonmetallic
Echelon Supply and Service, Inc.
4720-01-655-8697 INTERCHANGEABLE
Hose Assembly,nonmetallic
Cross-Reference Index
Part NumberManufacturer
MIL-H-17902 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
250M17902 United Metal Industries Inc (USA)
M17902-B-FM Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-17902 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4720-00-142-2070INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-289-0756INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-00-346-6476INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
2-27464
4720-00-826-4782INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4730-01-242-7734INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
4720-01-254-0191INTERCHANGEABLE
HOSE,NONMETALLIC
4720-01-270-5801INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-01-541-7657INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-DA0-733825X5
4720-01-541-7659INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-DA0-733826X5
4720-01-655-8697INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4720-01-655-9238INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC

Frequently Asked Questions

What is NSN 4730-01-242-2832?

NSN 4730-01-242-2832 is a Adapter,straight,pipe to Hose, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-242-2832?

NSN 4730-01-242-2832 has 4 cross-referenced part numbers: MIL-H-17902 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 250M17902 (United Metal Industries Inc), M17902-B-FM (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-17902 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4730-01-242-2832?

There are 11 known substitutes for 4730-01-242-2832: 4720-00-142-2070, 4720-00-289-0756, 4720-00-346-6476 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-H-17902?

Key specifications for MIL-H-17902: Thread Series Designator: NPT FIRST END; Connection Style: GRIPPING NIPPLE (NOSE) SECOND END; Connection Type: THREADED EXTERNAL PIPE FIRST END; Nominal Outside Diameter Hose Accommodated: 3.100 INCHES SECOND END IN. 10 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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