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Technical Data Sheet
PartsTable / COMPONENT / MIL-S-18729C
MIL-S-18729C ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SUPPORT,SHOCK STRUT,HELICOPTER is a the manufacturer industrial component. Key specifications include end_item_identification: 1520-01-035-0266, general_characteristics_item_description: CUP-SHAPED,7 HOLES 0.250 IN. OD,CENTER APETURE 0.750 IN.

OD,PART OF MAIN LANDING GEAR IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 9515-00-027-0656, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MIL-S-18729C
NSN: 9515-00-027-0656
FSC: 9515
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
end_item_identification1520-01-035-0266
general_characteristics_item_descriptionCUP-SHAPED,7 HOLES 0.250 IN. OD,CENTER APETURE 0.750 IN. OD,PART OF MAIN LANDING GEAR IN
NSN9515-00-027-0656
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SUPPORT,SHOCK STRUT,HELICOPTER TITLE COMPONENT PN MIL-S-18729C MFR SUPPORT,SHOCK STRUT,HE
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE
•
WIDTH: 36.000 INCHES NOMINAL IN
•
BASIC SHAPE STYLE: SOLID
•
SURFACE CONDITION: DESCALED OVERALL
•
LENGTH: 6.000 FEET NOMINAL FT
•
HEAT TREATMENT: ANNEALED
•
MINIMUM YIELD STRENGTH: 75000 POUNDS PER SQUARE INCH LBS
•
CROSS-SECTIONAL THICKNESS: 0.063 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE
WIDTH36.000 INCHES NOMINAL IN
BASIC SHAPE STYLESOLID
SURFACE CONDITIONDESCALED OVERALL
LENGTH6.000 FEET NOMINAL FT
HEAT TREATMENTANNEALED
MINIMUM YIELD STRENGTH75000 POUNDS PER SQUARE INCH LBS
CROSS-SECTIONAL THICKNESS0.063 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATAA CONDITION
MINIMUM TENSILE STRENGTH95000 POUNDS PER SQUARE INCH LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
VS15306-9Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-18729CInterchangeable
interchangeable cross-reference
interchangeable
FF-W-92B TY AInterchangeable
interchangeable cross-reference
interchangeable
AN504Interchangeable
interchangeable cross-reference
interchangeable
114E5996-27Interchangeable
interchangeable cross-reference
interchangeable
AN3 THRU AN20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-S-18729C?
MIL-S-18729C is a SUPPORT,SHOCK STRUT,HELICOPTER.
What parts can replace MIL-S-18729C?
There are 12 known substitutes for MIL-S-18729C: VS15306-9, MIL-S-18729C, FF-W-92B TY A and 9 more. Substitute compatibility should be verified for your specific system.
Is MIL-S-18729C still available?
MIL-S-18729C is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026