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Technical Data Sheet
PartsTable / MRO / 500729
500729 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include material: STEEL FLANGE, head_style: PAN NO. 2, body_length: 0.715 INCHES NOMINAL IN, head_height: 0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN, stud_length: 0.750 INCHES NOMINAL FIRST THREADED STUD IN, thread_size: 0.2500-20 FIRST THREADED PORTION.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-075-8278, 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
MRO→ MRO_GENERAL→ 500729
NSN: 5330-00-075-8278
FSC: 5330
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL FLANGE
head_stylePAN NO. 2
body_length0.715 INCHES NOMINAL IN
head_height0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
stud_length0.750 INCHES NOMINAL FIRST THREADED STUD IN
thread_size0.2500-20 FIRST THREADED PORTION
thread_class2A A
body_diameter0.237 INCHES NOMINAL IN
cubic_measure0.032 CUBIC INCHES
head_diameter0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
terminal_typeWIRE LEAD
thread_length0.402 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
NSN5330-00-075-8278
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 500729 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
3121171REVAPC8Interchangeable
interchangeable cross-reference
interchangeable
70-2-29CInterchangeable
interchangeable cross-reference
interchangeable
N16R50481-231Interchangeable
interchangeable cross-reference
interchangeable
17005Interchangeable
interchangeable cross-reference
interchangeable
463739KS1Interchangeable
interchangeable cross-reference
interchangeable
MS35233-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 500729?
500729 is a RESISTOR,FIXED,COMPOSITION. It is classified as a MRO (MRO_GENERAL).
What parts can replace 500729?
There are 9 known substitutes for 500729: 3121171REVAPC8, 70-2-29C, N16R50481-231 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 500729?
500729 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-075-8278. 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: July 2026