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500191 — RELAY-SWITCH

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

500191: RELAY-SWITCH.

The RELAY-SWITCH is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, relay_type: POWER, bore_diameter: 1.497 INCHES NOMINAL IN, overall_length: 9.938 INCHES NOMINAL IN, overall_diameter: 1.750 INCHES NOMINAL IN, contact_current_type: DC. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-628-4238, 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
500191
NSN: 5330-00-628-4238
NIINs: 006284238, 010858584, 012699105, 013503916, 016866048
FSC: 5330 — Packing and Gasket Materials
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
relay_typePOWER
bore_diameter1.497 INCHES NOMINAL IN
overall_length9.938 INCHES NOMINAL IN
overall_diameter1.750 INCHES NOMINAL IN
contact_current_typeDC
end_item_identification6515-01-135-0840,ECG MONITOR/RECORDER AND DEFIBRILLATOR,MDL. PORTA-PAK 90
maximum_voltage_rating_in_volts240.0
current_rating_at_maximum_rated_voltage10.0 AMPERES RESISTIVE
voltage_rating_at_maximum_rated_current240.0 VOLTS
part_name_assigned_by_controlling_agencySTUD ASSEMBLY
NSN5330-00-628-4238
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 500191 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 500191?
500191 is a RELAY-SWITCH.
What is the NSN for 500191?
500191 is cataloged in the U.S. Government catalog under NSN 5330-00-628-4238. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.