PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

801-6640963ASSY20-1Adapter,straight,pipe to Hose

Naval Sea Systems Command · NSN 4730-01-378-3474 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-378-3474 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-378-3474. Primary manufacturer part number: 801-6640963ASSY20-1.
Features
  • Adapter,straight,pipe to Hose — FSC 4730
  • Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZW
  • 3 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Adapter,straight,pipe to Hose, cataloged under National Stock Number 4730-01-378-3474, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN4730-01-378-3474
Primary Part Number801-6640963ASSY20-1
Item NameAdapter,straight,pipe to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Departure From Cited DocumentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZW
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4720-01-550-49667383858-H6511102-F109M INTERCHANGEABLE
Hose Assembly,special Purpose
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
801-6640963ASSY20-1 Naval Sea Systems Command (USA)
M24135/1-C-1.50032 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
801-6640963ASSY69-1 Naval Sea Systems Command (USA)
Related Parts
4720-01-550-4966INTERCHANGEABLE
HOSE ASSEMBLY,SPECIAL PURPOSE
7383858-H6511102-F109M

Frequently Asked Questions

What is NSN 4730-01-378-3474?

NSN 4730-01-378-3474 is a Adapter,straight,pipe 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 4730-01-378-3474?

NSN 4730-01-378-3474 has 3 cross-referenced part numbers: 801-6640963ASSY20-1 (Naval Sea Systems Command), M24135/1-C-1.50032 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 801-6640963ASSY69-1 (Naval Sea Systems Command).

What NSN replaces 4730-01-378-3474?

There is 1 known substitute for 4730-01-378-3474: 4720-01-550-4966. Verify interchangeability with system specifications before substitution.

What are the specifications of 801-6640963ASSY20-1?

Key specifications for 801-6640963ASSY20-1: Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZW. 2 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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