PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21908W8Elbow,tube

Sae International Dba Sae International · NSN 4730-00-541-3168 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-541-3168 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-541-3168. Primary manufacturer part number: MS21908W8.
Features
  • Elbow,tube — FSC 4730
  • Flow Angle: 90.0 DEGREES
  • Surface Treatment: ANODIZE OVERALL
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Material Document and Classification: QQ-A-367,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Connection Type: THREADED EXTERNAL TUBE ALL ENDS
  • Leg Length: 1.312 INCHES NOMINAL SECOND END IN
  • Thread Class: 3A FIRST END BULKHEAD A
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Alloy 2014 Overall construction
General Description

The Elbow,tube, cataloged under National Stock Number 4730-00-541-3168, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 33 commercial cross-references from 19 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-00-541-3168
Primary Part NumberMS21908W8
Item NameElbow,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Flow Angle90.0 DEGREES
Surface TreatmentANODIZE OVERALL
Nominal Thread Size0.750 INCHES ALL ENDS IN
Material Document and ClassificationQQ-A-367,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Leg Length1.312 INCHES NOMINAL SECOND END IN
Thread Class3A FIRST END BULKHEAD A
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
Surface Treatment Document and ClassificationMIL-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialALUMINUM ALLOY 2014 OVERALL
Maximum Operating Temp275.0 FAHRENHEIT SINGLE RESPONSE DEGF
Thread Class3A ALL ENDS A
Media for Which DesignedHYDRAULIC FLUID SINGLE RESPONSE
Leg Length1.968 INCHES NOMINAL FIRST END IN
Nominal Thread Size0.750 INCHES FIRST END BULKHEAD IN
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END BULKHEAD
Seat Angle12.0 DEGREES ALL ENDS
Connection StyleFLARELESS (TUBE) ALL ENDS
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Specification/standard Data96906-MS21908 GOVERNMENT STANDARD
Nominal Outside Diameter Tube Accommodated0.500 INCHES ALL ENDS IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
4330-00-097-423099118280 INTERCHANGEABLE
Glass,gage
Alfa Laval Inc
3110-00-100-23649103L-1B1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
4320-00-126-523910344 INTERCHANGEABLE
Ringx Antern
Rps-Fl, Inc. Dba Rps Inc
4820-01-012-696818280 INTERCHANGEABLE
Disk,valve
Circor Aerospace, Inc. Dba Circor Aerospace Inc
6145-01-070-71765303C INTERCHANGEABLE
Cable,special Purpose,electrical
Belden, Inc.
5950-01-105-0598 INTERCHANGEABLE
Transformer,power
5950-01-154-09693479920-6 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5331-01-318-190418280 INTERCHANGEABLE
O-Ring
Imi Cash Valve Inc
4730-01-343-5446MS21912K12 INTERCHANGEABLE
Tee,tube
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AS21908W8 Society of Automotive Engineers Inc (USA)
MS21908D8 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS21908W8 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AS18280 Sae International Dba Sae International (USA)
3111591 Embraer Empresa Brasileira De Aeronautica Sa (BRA)
MS21908W8 Healy Ruff Corporation, Inc. Dba Healy Ruff Company (USA)
MS21908W8 Society of Automotive Engineers Inc (USA)
MS21908D8 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA)
MS21908D8 Dana Corp Weatherhead Div (USA)
AS21908 Sae International Dba Sae International (USA)
MS21908D8 Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn (USA)
MS21908W8 Faber Enterprises, Inc. Div Faber Enterprise Inc (USA)
MS21908W8 United Supply Co Inc (USA)
18280 Society of Automotive Engineers Inc (USA)
18280 Sae International Dba Sae International (USA)
MS21908D8 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
MS21908W8 Military Standards Corp (USA)
4730PL2043042 Jednolity Indeks Materialowy - Uniform Material Index (POL)
AS21908 Society of Automotive Engineers Inc (USA)
SAE-AS18280 Sae International Dba Sae International (USA)
Related Parts
4330-00-097-4230INTERCHANGEABLE
GLASS,GAGE
99118280
3110-00-100-2364INTERCHANGEABLE
BEARING,BALL,ANNULAR
9103L-1B1
4320-00-126-5239INTERCHANGEABLE
RINGX ANTERN
10344
4820-01-012-6968INTERCHANGEABLE
DISK,VALVE
18280
6145-01-070-7176INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5303C
5950-01-105-0598INTERCHANGEABLE
TRANSFORMER,POWER
5950-01-154-0969INTERCHANGEABLE
COIL,RADIO FREQUENCY
3479920-6
5331-01-318-1904INTERCHANGEABLE
O-RING
18280
4730-01-343-5446INTERCHANGEABLE
TEE,TUBE
MS21912K12

Frequently Asked Questions

What is NSN 4730-00-541-3168?

NSN 4730-00-541-3168 is a Elbow,tube, manufactured by Sae International Dba Sae International, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-00-541-3168?

NSN 4730-00-541-3168 has 33 cross-referenced part numbers: AS21908W8 (Society of Automotive Engineers Inc), MS21908D8 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS21908W8 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AS18280 (Sae International Dba Sae International), 3111591 (Embraer Empresa Brasileira De Aeronautica Sa) and 28 more.

What NSN replaces 4730-00-541-3168?

There are 9 known substitutes for 4730-00-541-3168: 4330-00-097-4230, 3110-00-100-2364, 4320-00-126-5239 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21908W8?

Key specifications for MS21908W8: Flow Angle: 90.0 DEGREES; Surface Treatment: ANODIZE OVERALL; Nominal Thread Size: 0.750 INCHES ALL ENDS IN; Material Document and Classification: QQ-A-367,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-00-541-3168 still in active supply?

NSN 4730-00-541-3168 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.
PartsTable Design LLC · partstable.com