PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2519394-1Nipple,pipe

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 4730-00-450-9933 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-450-9933 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-450-9933. Primary manufacturer part number: 2519394-1.
Features
  • Nipple,pipe — FSC 4730
  • Nominal Thread Size: 1.000 INCHES FIRST END IN
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: LONG
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Nominal Overall Length: 4.000 INCHES IN
  • Material: STEEL COMP 316 OVERALL
  • Thread Series Designator: NPT FIRST END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Comp 316 Overall construction
General Description

The Nipple,pipe, cataloged under National Stock Number 4730-00-450-9933, 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 Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-450-9933
Primary Part Number2519394-1
Item NameNipple,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusCANCELLED
Nominal Thread Size1.000 INCHES FIRST END IN
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorLONG
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Nominal Overall Length4.000 INCHES IN
MaterialSTEEL COMP 316 OVERALL
Thread Series DesignatorNPT FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
4730-00-043-3091SS-2-CN INTERCHANGEABLE
Nipple,pipe
Swagelok Co
4730-00-720-4914C5-45-3015-4 INTERCHANGEABLE
Nipple,pipe
Edgewood Chemical Biological Center Ecbc
4730-00-924-5497 INTERCHANGEABLE
Nipple,pipe
4730-00-971-82344548K196 INTERCHANGEABLE
Nipple,pipe
Mcmaster-Carr Supply Co
4730-00-971-82364548K195 INTERCHANGEABLE
Nipple,pipe
Mcmaster-Carr Supply Co
4730-01-020-20654548K225 INTERCHANGEABLE
Nipple,pipe
Mcmaster-Carr Supply Co
4730-01-180-7220SS-12-CN INTERCHANGEABLE
Nipple,pipe
Swagelok Co
Cross-Reference Index
Part NumberManufacturer
NIPPLETYPE316 Pittsburgh Nipple Wks Inc (USA)
2519394-1 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Related Parts
4730-00-043-3091INTERCHANGEABLE
NIPPLE,PIPE
SS-2-CN
4730-00-720-4914INTERCHANGEABLE
NIPPLE,PIPE
C5-45-3015-4
4730-00-924-5497INTERCHANGEABLE
NIPPLE,PIPE
4730-00-971-8234INTERCHANGEABLE
NIPPLE,PIPE
4548K196
4730-00-971-8236INTERCHANGEABLE
NIPPLE,PIPE
4548K195
4730-01-020-2065INTERCHANGEABLE
NIPPLE,PIPE
4548K225
4730-01-180-7220INTERCHANGEABLE
NIPPLE,PIPE
SS-12-CN

Frequently Asked Questions

What is NSN 4730-00-450-9933?

NSN 4730-00-450-9933 is a Nipple,pipe, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-450-9933?

NSN 4730-00-450-9933 has 2 cross-referenced part numbers: NIPPLETYPE316 (Pittsburgh Nipple Wks Inc), 2519394-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What NSN replaces 4730-00-450-9933?

There are 7 known substitutes for 4730-00-450-9933: 4730-00-043-3091, 4730-00-720-4914, 4730-00-924-5497 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2519394-1?

Key specifications for 2519394-1: Nominal Thread Size: 1.000 INCHES FIRST END IN; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Style Designator: LONG; Connection Type: THREADED EXTERNAL PIPE FIRST END. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-450-9933 still in active supply?

NSN 4730-00-450-9933 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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