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5005578 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SWITCH SUBASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C INNER RING, thread_class: 3B OVERALL, bore_diameter: 1.4997 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN, contact_angle: 19.0 DEGREES MAXIMUM, overall_width: 0.3020 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN, thread_length: 0.875 INCHES NOMINAL ROD CONNECTION IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-094-7630, 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
5005578
NSN: 5340-01-094-7630
FSC: 5340
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 440C INNER RING
thread_class3B OVERALL
bore_diameter1.4997 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN
contact_angle19.0 DEGREES MAXIMUM
overall_width0.3020 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
thread_length0.875 INCHES NOMINAL ROD CONNECTION IN
load_directionANGULAR
overall_length2.312 INCHES NOMINAL IN
surface_finishGROUND
style_designatorUNIVERSAL GROUND FACES, COUNTERBORED OUTER RING, NON-SEPARABLE
thread_directionRIGHT-HAND OVERALL
surface_treatmentCHROMATE OVERALL
NSN5340-01-094-7630
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5005578 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
KEY FEATURES
•
UNTHREADED END LENGTH: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 0.500 INCHES ROD CONNECTION IN
•
STYLE DESIGNATOR: INTERNAL THREAD, SOLID END
•
SURFACE TREATMENT: CHROMATE OVERALL
•
UNTHREADED END OUTSIDE DIAMETER: 0.464 INCHES MINIMUM AND 0.474 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND OVERALL
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
UNTHREADED END LENGTH1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.500 INCHES ROD CONNECTION IN
STYLE DESIGNATORINTERNAL THREAD, SOLID END
OVERALL LENGTH2.312 INCHES NOMINAL IN
SURFACE TREATMENTCHROMATE OVERALL
UNTHREADED END OUTSIDE DIAMETER0.464 INCHES MINIMUM AND 0.474 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND OVERALL
MATERIALCOPPER ALLOY OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) ROD CONNECTION
THREAD CLASS3B OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
50005578-1Upgraded Successor
successor cross-reference
successor
5005578-1Upgraded Successor
successor cross-reference
successor
419-3784-038Interchangeable
interchangeable cross-reference
interchangeable
5005-578Interchangeable
interchangeable cross-reference
interchangeable
T163Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5005578?
5005578 is a SWITCH SUBASSEMBLY.
What parts can replace 5005578?
There are 5 known substitutes for 5005578: 50005578-1, 5005578-1, 419-3784-038 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5005578?
5005578 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-094-7630. 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