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4818-9 — CONNECTOR,RECEPTACLE,ELECTRICAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4818-9: CONNECTOR,RECEPTACLE,ELECTRICAL.

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include body_style: STRAIGHT SHAPE, EXTERNAL COUPLING, shell_type: SOLID, thread_class: 2A A, terminal_type: SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING, overall_length: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN, overall_diameter: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-281-9895, 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
4818-9
NSN: 5340-00-281-9895
NIINs: 002819895, 010101104
FSC: 5340 — Hardware, Commercial
CAGE: 61864 — TRW ASSEMBLIES AND FASTENERS GROUP (USA)
SPECIFICATIONS
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLING
shell_typeSOLID
thread_class2A A
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
overall_length1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
overall_diameter0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
precious_materialGOLD AND SILVER
terminal_locationBACK SINGLE MATING END SINGLE CONTACT GROUPING
mating_end_quantity1
nominal_thread_size0.500 INCHES IN
contact_removabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
NSN5340-00-281-9895
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4818-9 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 3
279MR1P2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SS48189K2915Reference document
Same NSN cross-reference
Reference document — Secondary reference
48189F52Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4818-9?
4818-9 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 4818-9?
There are 3 known substitutes for 4818-9: 279MR1P2, SS48189K2915, 48189F52. Substitute compatibility should be verified for your specific system.
What is the NSN for 4818-9?
4818-9 is cataloged in the U.S. Government catalog under NSN 5340-00-281-9895. This indicates validated use in U.S. government and defense supply chains.
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