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MIL-R-81729 — Technical Data Sheet

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— · 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 BELT,AIRCRAFT SAFETY is a the manufacturer industrial component. Key specifications include belt_type: COMBINATION, adjustability: ADJUSTABLE, webbing_width: 3.000 INCHES NOMINAL IN, installation_method: QUICK DISCONNECT, adjustment_maximum_length: 51.000 INCHES IN, fastener_material_and_location: STEEL BUCKLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 1680-00-407-5335, 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-R-81729
NSN: 1680-00-407-5335
FSC: 1680
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
belt_typeCOMBINATION
adjustabilityADJUSTABLE
webbing_width3.000 INCHES NOMINAL IN
personnel_capacity1
installation_methodQUICK DISCONNECT
adjustment_maximum_length51.000 INCHES IN
fastener_material_and_locationSTEEL BUCKLE
NSN1680-00-407-5335
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BELT,AIRCRAFT SAFETY TITLE COMPONENT PN MIL-R-81729 MFR BELT,AIRCRAFT SAFETY
KEY FEATURES
•
ADJUSTMENT MAXIMUM LENGTH: 55.000 INCHES IN
•
FASTENER MATERIAL AND LOCATION: STEEL BUCKLE
•
WEBBING WIDTH: 3.000 INCHES NOMINAL IN
•
PERSONNEL CAPACITY: 1
•
ADJUSTABILITY: ADJUSTABLE
TECHNICAL CHARACTERISTICS
ADJUSTMENT MAXIMUM LENGTH55.000 INCHES IN
FASTENER MATERIAL AND LOCATIONSTEEL BUCKLE
WEBBING WIDTH3.000 INCHES NOMINAL IN
PERSONNEL CAPACITY1
ADJUSTABILITYADJUSTABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
MS22033-6InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AN6506-1CInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
44G26451InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MILB6703InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
62A126D1-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
502302-1REVBInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-R-81729?
MIL-R-81729 is a BELT,AIRCRAFT SAFETY.
What parts can replace MIL-R-81729?
There are 11 known substitutes for MIL-R-81729: MS22033-6, AN6506-1C, 44G26451 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-R-81729?
MIL-R-81729 is cataloged in the Federal Logistics Information System under NSN 1680-00-407-5335. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026