PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS933-04Adapter,straight,flange to Boss

Sae International Dba Sae International · NSN 4730-00-816-4793 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-816-4793 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-816-4793. Primary manufacturer part number: AS933-04.
Features
  • Adapter,straight,flange to Boss — FSC 4730
  • Seat Angle: 37.0 DEGREES FIRST END
  • Surface Treatment: CADMIUM OVERALL
  • Connection Style: FLARED (TUBE) FIRST END
  • Specification/standard Data: 96906-MS24487 GOVERNMENT STANDARD AND 81343AS4875/1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
  • Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN
  • Nominal Overall Length: 1.219 INCHES IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Adapter,straight,flange to Boss, cataloged under National Stock Number 4730-00-816-4793, 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 Sae International Dba Sae International. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 16 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-816-4793
Primary Part NumberAS933-04
Item NameAdapter,straight,flange to Boss
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Seat Angle37.0 DEGREES FIRST END
Surface TreatmentCADMIUM OVERALL
Connection StyleFLARED (TUBE) FIRST END
Specification/standard Data96906-MS24487 GOVERNMENT STANDARD AND 81343AS4875/1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
Nominal Outside Diameter Tube Accommodated0.250 INCHES FIRST END IN
Nominal Overall Length1.219 INCHES IN
Thread Class3A ALL ENDS A
Nominal Thread Size0.438 INCHES ALL ENDS IN
Connection TypeTHREADED EXTERNAL TUBE FIRST END
MaterialSTEEL OVERALL
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
Connection TypeTHREADED EXTERNAL BOSS SECOND END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-043-2177AS933D12 INTERCHANGEABLE
Adapter,straight,flange to Boss
Sae International Dba Sae International
4730-00-045-4869AS933D04 INTERCHANGEABLE
Adapter,straight,flange to Boss
Sae International Dba Sae International
4730-00-052-0589AS933D05 INTERCHANGEABLE
Adapter,straight,flange to Boss
Sae International Dba Sae International
4730-00-079-0556AS933D06L INTERCHANGEABLE
Adapter,straight,flange to Boss
Sae International Dba Sae International
4730-00-234-2493AS933D03 INTERCHANGEABLE
Adapter,straight,flange to Boss
Sae International Dba Sae International
4730-00-412-3466AS933-12 INTERCHANGEABLE
Adapter,straight,flange to Boss
Sae International Dba Sae International
4730-00-485-9297AS933-05 INTERCHANGEABLE
Adapter,straight,flange to Boss
Sae International Dba Sae International
4730-00-964-5463 INTERCHANGEABLE
Adapter,straight,tube to Boss
4730-00-983-9635AS933D16 INTERCHANGEABLE
Adapter,straight,flange to Boss
Sae International Dba Sae International
4730-01-146-5569AS933D06 INTERCHANGEABLE
Adapter,straight,flange to Boss
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
MS24487-4 Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA)
012212-1 Cartridge Actuated Devices Inc (USA)
MS24487-4 Collins Engineering Corp (USA)
AS933-04 PRIMARY Sae International Dba Sae International (USA)
MS24487-4 Acra Aerospace, Llc (USA)
MS24487-4 Tech Aero Inc (USA)
AS4875/1 Society of Automotive Engineers Inc (USA)
MS24487-4 Hohl Machine and Conveyor Co Inc (USA)
56-8995 The Boeing Company Div Defense (USA)
AS933-04 Society of Automotive Engineers Inc (USA)
MS24487-4 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
AS933 Sae International Dba Sae International (USA)
AN920-4 Aeronautical Standards Group Dept of Navy and Air Force (USA)
MS24487-4 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AS4875/1 Sae International Dba Sae International (USA)
MIL-F-5509 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS24487-4 Hydro-Fitting Manufacturing Corporation (USA)
MS24487-4 Satair A/s (DNK)
SAE-AS4875/1 Sae International Dba Sae International (USA)
MS24487-4 Crown Fitting Co Inc (USA)
Related Parts
4730-00-043-2177INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO BOSS
AS933D12
4730-00-045-4869INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO BOSS
AS933D04
4730-00-052-0589INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO BOSS
AS933D05
4730-00-079-0556INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO BOSS
AS933D06L
4730-00-234-2493INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO BOSS
AS933D03
4730-00-412-3466INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO BOSS
AS933-12
4730-00-485-9297INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO BOSS
AS933-05
4730-00-964-5463INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
4730-00-983-9635INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO BOSS
AS933D16
4730-01-146-5569INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO BOSS
AS933D06
4730-01-185-9464INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO BOSS
AS933D03L
4730-01-283-5935INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO BOSS
AS933T05

Frequently Asked Questions

What is NSN 4730-00-816-4793?

NSN 4730-00-816-4793 is a Adapter,straight,flange to Boss, manufactured by Sae International Dba Sae International, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-816-4793?

NSN 4730-00-816-4793 has 21 cross-referenced part numbers: MS24487-4 (Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply), 012212-1 (Cartridge Actuated Devices Inc), MS24487-4 (Collins Engineering Corp), AS933-04 (Sae International Dba Sae International), MS24487-4 (Acra Aerospace, Llc) and 16 more.

What NSN replaces 4730-00-816-4793?

There are 12 known substitutes for 4730-00-816-4793: 4730-00-043-2177, 4730-00-045-4869, 4730-00-052-0589 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS933-04?

Key specifications for AS933-04: Seat Angle: 37.0 DEGREES FIRST END; Surface Treatment: CADMIUM OVERALL; Connection Style: FLARED (TUBE) FIRST END; Specification/standard Data: 96906-MS24487 GOVERNMENT STANDARD AND 81343AS4875/1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-816-4793 still in active supply?

NSN 4730-00-816-4793 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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