PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

801-6640963PC19-2Adapter,straight,tube to Hose

Naval Sea Systems Command · NSN 4730-01-217-8250 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-217-8250 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-217-8250. Primary manufacturer part number: 801-6640963PC19-2.
Features
  • Adapter,straight,tube to Hose — FSC 4730
  • Material: NICKEL ALLOY OVERALL
  • Nominal Thread Size: 2.312 INCHES FIRST END IN
  • Thread Quantity Per Inch: 12 FIRST END
  • Nominal Overall Length: 5.250 INCHES IN
  • Nominal Inside Diameter Hose Accommodated: 1.297 INCHES SECOND END IN
  • Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Connection Style: CAP SOCKET (HOSE) SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Nickel Alloy Overall construction
General Description

The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-01-217-8250, 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 Naval Sea Systems Command. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 4 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
NSN4730-01-217-8250
Primary Part Number801-6640963PC19-2
Item NameAdapter,straight,tube to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
MaterialNICKEL ALLOY OVERALL
Nominal Thread Size2.312 INCHES FIRST END IN
Thread Quantity Per Inch12 FIRST END
Nominal Overall Length5.250 INCHES IN
Nominal Inside Diameter Hose Accommodated1.297 INCHES SECOND END IN
Departure From Cited DocumentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Connection StyleCAP SOCKET (HOSE) SECOND END
Connection TypeUNTHREADED INTERNAL HOSE SECOND END
Connection StyleFLARED W/ GASKET SEAL (BOSS) FIRST END
Nominal Outside Diameter Hose Accommodated1.797 INCHES SECOND END IN
Thread Series DesignatorUNS FIRST END
Criticality Code JustificationZZZW
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Thread Class3A FIRST END A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4730-00-848-5324 INTERCHANGEABLE
Adapter,hose to Uni
4720-01-101-73754677577-0F11M INTERCHANGEABLE
Hose Assembly,nonmetallic
P.a.r. Products Co
4730-01-119-0557 INTERCHANGEABLE
Adapter,straight,hose to Boss
4470-01-119-4613 INTERCHANGEABLE
Hose Assembly Special
4730-01-217-5296 INTERCHANGEABLE
Elbow,hose
4730-01-246-6977 INTERCHANGEABLE
Elbow,hose
4720-01-325-81652621-225-03 ASSY 76 INTERCHANGEABLE
Hose Assembly,nonmetallic
Electric Boat Corporation Div General Dynamics Electric Boat
4720-01-329-20242621-225-03 ASSY-144 INTERCHANGEABLE
Hose Assembly,nonmetallic
Electric Boat Corporation Div General Dynamics Electric Boat
4720-01-329-20432621-225-03 ASSY-53 INTERCHANGEABLE
Hose,nonmetallic
Electric Boat Corporation Div General Dynamics Electric Boat
4720-01-462-82692621-225-03 ASSY 23 INTERCHANGEABLE
Hose Assembly,nonmetallic
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
801-6640963PC19-2 Naval Sea Systems Command (USA)
2621-225-03 ASSY198 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
19-02-1235 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
M24787/3-TYC-GRI-1-20 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2633-225-01PC19A-2 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
M24135/1-C-20-20 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
4-190909-1-20 Danfoss Power Solutions II, Llc (USA)
MIL-H-24135/1-20TYC Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2621-225-03 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
801-6640963PC19A-2 Naval Sea Systems Command (USA)
801-6640963PC48A-1 Naval Sea Systems Command (USA)
M24136/2-I-20-20 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2633-225-01PC19-2 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
4730-00-848-5324INTERCHANGEABLE
ADAPTER,HOSE TO UNI
4720-01-101-7375INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4677577-0F11M
4730-01-119-0557INTERCHANGEABLE
ADAPTER,STRAIGHT,HOSE TO BOSS
4470-01-119-4613INTERCHANGEABLE
HOSE ASSEMBLY SPECIAL
4730-01-217-5296INTERCHANGEABLE
ELBOW,HOSE
4730-01-246-6977INTERCHANGEABLE
ELBOW,HOSE
4720-01-325-8165INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
2621-225-03 ASSY 76
4720-01-329-2024INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
2621-225-03 ASSY-144
4720-01-329-2043INTERCHANGEABLE
HOSE,NONMETALLIC
2621-225-03 ASSY-53
4720-01-462-8269INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
2621-225-03 ASSY 23
4720-01-522-0625INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
2621-225-03-0058

Frequently Asked Questions

What is NSN 4730-01-217-8250?

NSN 4730-01-217-8250 is a Adapter,straight,tube to Hose, manufactured by Naval Sea Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-217-8250?

NSN 4730-01-217-8250 has 13 cross-referenced part numbers: 801-6640963PC19-2 (Naval Sea Systems Command), 2621-225-03 ASSY198 (Electric Boat Corporation Div General Dynamics Electric Boat), 19-02-1235 (Electric Boat Corporation Div General Dynamics Electric Boat), M24787/3-TYC-GRI-1-20 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2633-225-01PC19A-2 (Electric Boat Corporation Div General Dynamics Electric Boat) and 8 more.

What NSN replaces 4730-01-217-8250?

There are 11 known substitutes for 4730-01-217-8250: 4730-00-848-5324, 4720-01-101-7375, 4730-01-119-0557 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 801-6640963PC19-2?

Key specifications for 801-6640963PC19-2: Material: NICKEL ALLOY OVERALL; Nominal Thread Size: 2.312 INCHES FIRST END IN; Thread Quantity Per Inch: 12 FIRST END; Nominal Overall Length: 5.250 INCHES IN. 14 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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