PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A733XS-79CFGNipple,pipe

American Society for Testing and Materials Dba Astm International · NSN 4730-00-121-5937 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-121-5937 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-121-5937. Primary manufacturer part number: A733XS-79CFG.
Features
  • Nipple,pipe — FSC 4730
  • Material Document and Classification: ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Thread Size: 0.500 INCHES ALL ENDS IN
  • Material: STEEL OVERALL
  • Thread Series Designator: NPT ALL ENDS
  • Surface Treatment: ZINC OUTSIDE
  • Specification/standard Data: 81346-ASTM A733 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Nominal Overall Length: 2.500 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Nipple,pipe, cataloged under National Stock Number 4730-00-121-5937, 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 American Society for Testing and Materials Dba Astm International. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-121-5937
Primary Part NumberA733XS-79CFG
Item NameNipple,pipe
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerAmerican Society for Testing and Materials Dba Astm International
StatusCANCELLED
Material Document and ClassificationASTM A105 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size0.500 INCHES ALL ENDS IN
MaterialSTEEL OVERALL
Thread Series DesignatorNPT ALL ENDS
Surface TreatmentZINC OUTSIDE
Specification/standard Data81346-ASTM A733 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nominal Overall Length2.500 INCHES IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
6515-00-321-760070-9204 INTERCHANGEABLE
Curette,adenoid
Sklar Corporation Dba Sklar Instruments
6615-00-967-367720808 INTERCHANGEABLE
Parts Kit,actuator,
Cadillac Gage Textron Inc.
4720-01-382-883620808 INTERCHANGEABLE
Hose,nonmetallic
Liftking Manufacturing Corp
5120-01-399-8778J3045 INTERCHANGEABLE
Wrench,open End
The Stanley Works Dba Stanley Proto
1620-01-434-571520808 INTERCHANGEABLE
Stop,landing Gear
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
Cross-Reference Index
Part NumberManufacturer
20-808 Hardie-Tynes Co., Inc. (USA)
MS51873-79 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
390035PC808 Naval Sea Systems Command (USA)
ASTM-A733 American Society for Testing and Materials Dba Astm International (USA)
A733XS-79CFG PRIMARY American Society for Testing and Materials Dba Astm International (USA)
415464-2 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
WWN351 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A733XS-79CFG Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
150-405KPC808 Hardie-Tynes Co., Inc. (USA)
150-405GPC808 Hardie-Tynes Co., Inc. (USA)
533824PC808 Naval Sea Systems Command (USA)
Related Parts
6515-00-321-7600INTERCHANGEABLE
CURETTE,ADENOID
70-9204
6615-00-967-3677INTERCHANGEABLE
PARTS KIT,ACTUATOR,
20808
4720-01-382-8836INTERCHANGEABLE
HOSE,NONMETALLIC
20808
5120-01-399-8778INTERCHANGEABLE
WRENCH,OPEN END
J3045
1620-01-434-5715INTERCHANGEABLE
STOP,LANDING GEAR
20808

Frequently Asked Questions

What is NSN 4730-00-121-5937?

NSN 4730-00-121-5937 is a Nipple,pipe, manufactured by American Society for Testing and Materials Dba Astm International, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-121-5937?

NSN 4730-00-121-5937 has 11 cross-referenced part numbers: 20-808 (Hardie-Tynes Co., Inc.), MS51873-79 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 390035PC808 (Naval Sea Systems Command), ASTM-A733 (American Society for Testing and Materials Dba Astm International), A733XS-79CFG (American Society for Testing and Materials Dba Astm International) and 6 more.

What NSN replaces 4730-00-121-5937?

There are 5 known substitutes for 4730-00-121-5937: 6515-00-321-7600, 6615-00-967-3677, 4720-01-382-8836 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A733XS-79CFG?

Key specifications for A733XS-79CFG: Material Document and Classification: ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Size: 0.500 INCHES ALL ENDS IN; Material: STEEL OVERALL; Thread Series Designator: NPT ALL ENDS. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-121-5937 still in active supply?

NSN 4730-00-121-5937 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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