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Technical Data Sheet
PartsTable / COMPONENT / 51917-17
51917-17 ✓ 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 BUTTON,PLUG is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, head_height: 0.078 INCHES NOMINAL IN, overall_height: 0.230 INCHES NOMINAL IN, style_designator: STANDARD, surface_treatment: CADMIUM, head_outside_diameter: 0.656 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-684-9492, 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
51917-17
NSN: 5340-00-684-9492
FSC: 5340
CAGE: 94833 — KECO INDUSTRIES, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY
head_height0.078 INCHES NOMINAL IN
overall_height0.230 INCHES NOMINAL IN
prong_quantity8
style_designatorSTANDARD
surface_treatmentCADMIUM
head_outside_diameter0.656 INCHES NOMINAL IN
prong_outside_diameter0.469 INCHES NOMINAL IN
hole_accommodation_diameter0.438 INCHES NOMINAL IN
material_accommodated_thickness0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
NSN5340-00-684-9492
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 51917-17 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
•
HOLE ACCOMMODATION DIAMETER: 0.438 INCHES NOMINAL IN
•
MATERIAL ACCOMMODATED THICKNESS: 0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM
•
PRONG OUTSIDE DIAMETER: 0.469 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STANDARD
•
PRONG QUANTITY: 8
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS (FLIS)
HOLE ACCOMMODATION DIAMETER0.438 INCHES NOMINAL IN
MATERIAL ACCOMMODATED THICKNESS0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM
OVERALL HEIGHT0.230 INCHES NOMINAL IN
PRONG OUTSIDE DIAMETER0.469 INCHES NOMINAL IN
STYLE DESIGNATORSTANDARD
PRONG QUANTITY8
MATERIALCOPPER ALLOY
HEAD OUTSIDE DIAMETER0.656 INCHES NOMINAL IN
HEAD HEIGHT0.078 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
800511-007Upgraded Successor
successor cross-reference
successor
D4344Upgraded Successor
successor cross-reference
successor
1240004N000-002Interchangeable
interchangeable cross-reference
interchangeable
300T1000AInterchangeable
interchangeable cross-reference
interchangeable
228574-0001Interchangeable
interchangeable cross-reference
interchangeable
945827Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51917-17?
51917-17 is a BUTTON,PLUG.
What parts can replace 51917-17?
There are 22 known substitutes for 51917-17: 800511-007, D4344, 1240004N000-002 and 19 more. Substitute compatibility should be verified for your specific system.
Is 51917-17 still available?
51917-17 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026