PartsTable / COMPONENT / 790749-1
790749-1
✓ 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 LEAD,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: COPPER CORE CONDUCTOR SINGLE CONDUCTOR, hole_diameter: 0.104 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 3.240 INCHES NOMINAL IN, aperture_width: 2.820 INCHES NOMINAL IN, conductor_form: STRANDED LOCATION NOT OTHERWISE SPECIFIED, overall_length: 3.240 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-329-0381, 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
790749-1
NSN: 5330-00-329-0381 FSC: 5330 CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
material COPPER CORE CONDUCTOR SINGLE CONDUCTOR hole_diameter 0.104 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN overall_width 3.240 INCHES NOMINAL IN aperture_width 2.820 INCHES NOMINAL IN conductor_form STRANDED LOCATION NOT OTHERWISE SPECIFIED overall_length 3.240 INCHES NOMINAL IN voltage_rating 7500.0 AC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR aperture_length 2.820 INCHES NOMINAL IN hardness_rating 70.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL special_features FOUR BOLT HOLES 0.177 IN. DIA IN termination_type CONNECTOR PLUG BOTH ENDS SINGLE CONDUCTOR surface_treatment TIN CORE CONDUCTOR THIRD GROUP NSN 5330-00-329-0381
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION
ID: —
CROSS-SECTION
CS: —
SPECIFICATION
Material: —
Durometer: —
Temp: —
PN: 790749-1
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
• FSC APPLICATION DATA: INDICATOR,VERTICAL GYRO
• HOLE DIAMETER: 0.104 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
• MATERIAL: RUBBER SYNTHETIC AND CORK OVERALL
• CROSS-SECTIONAL THICKNESS: 0.036 INCHES NOMINAL IN
• HARDNESS RATING: 70.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
FSC APPLICATION DATA INDICATOR,VERTICAL GYRO HOLE DIAMETER 0.104 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN BOLT HOLE QUANTITY 8 SPECIAL FEATURES FOUR BOLT HOLES 0.177 IN. DIA IN MATERIAL RUBBER SYNTHETIC AND CORK OVERALL CROSS-SECTIONAL THICKNESS 0.036 INCHES NOMINAL IN HARDNESS RATING 70.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM OVERALL OVERALL WIDTH 3.240 INCHES NOMINAL IN OUTSIDE CORNER RADIUS 0.125 INCHES NOMINAL IN APERTURE WIDTH 2.820 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
B-4-2 Interchangeable interchangeable cross-reference
interchangeable
7907491 Interchangeable interchangeable cross-reference
interchangeable
B4R Interchangeable interchangeable cross-reference
interchangeable
LIFECYCLE
Status CANCELLED
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 790749-1?
790749-1 is a LEAD,ELECTRICAL.
What parts can replace 790749-1?
There are 3 known substitutes for 790749-1: B-4-2, 7907491, B4R. Substitute compatibility should be verified for your specific system.
Is 790749-1 still available?
790749-1 is currently cancelled.
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