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Technical Data Sheet
PartsTable / COMPONENT / 8243A0440-2
8243A0440-2 ✓ 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 STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 4.000 INCHES NOMINAL IN, special_features: COLOR BLACK, style_designator: LEFT INTERNAL AND RIGHT INTERNAL THREADS, width_across_flats: 0.250 INCHES NOMINAL IN, cross-sectional_shape: HEXAGON. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-565-4292, 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
8243A0440-2
NSN: 5340-00-565-4292
FSC: 5340
CAGE: 1YGB8 — CAREY MANUFACTURING CO, INC DBA AMATOM ELECTRONIC HARDWARE DIV AMATOM ELECTRONIC HARDWARE (USA)
SPECIFICATIONS
length4.000 INCHES NOMINAL IN
special_featuresCOLOR BLACK
style_designatorLEFT INTERNAL AND RIGHT INTERNAL THREADS
width_across_flats0.250 INCHES NOMINAL IN
cross-sectional_shapeHEXAGON
NSN5340-00-565-4292
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8243A0440-2 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
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT INTERNAL THREADS
•
LENGTH: 4.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT INTERNAL THREADS
SPECIAL FEATURESCOLOR BLACK
LENGTH4.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
8415Upgraded Successor
successor cross-reference
successor
A8415Upgraded Successor
successor cross-reference
successor
6515L30809807Upgraded Successor
successor cross-reference
successor
001-ROD-01PInterchangeable
interchangeable cross-reference
interchangeable
9415Interchangeable
interchangeable cross-reference
interchangeable
2384889Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8243A0440-2?
8243A0440-2 is a STANDOFF,THREADED,SPACING.
What parts can replace 8243A0440-2?
There are 10 known substitutes for 8243A0440-2: 8415, A8415, 6515L30809807 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8243A0440-2?
8243A0440-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-565-4292. 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