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Technical Data Sheet
PartsTable / COMPONENT / 3306221-3
3306221-3 ✓ 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: 1.500 INCHES NOMINAL IN, style_designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD, 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 5340-01-231-3357, 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
3306221-3
NSN: 5340-01-231-3357
FSC: 5340
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
length1.500 INCHES NOMINAL IN
style_designatorLEFT INTERNAL AND RIGHT EXTERNAL THREAD
width_across_flats0.250 INCHES NOMINAL IN
cross-sectional_shapeHEXAGON
NSN5340-01-231-3357
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3306221-3 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
•
CROSS-SECTIONAL SHAPE: HEXAGON
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT EXTERNAL THREAD
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
LENGTH: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPEHEXAGON
STYLE DESIGNATORLEFT INTERNAL AND RIGHT EXTERNAL THREAD
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
LENGTH1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
8258Upgraded Successor
successor cross-reference
successor
902904-1Upgraded Successor
successor cross-reference
successor
6515NCM082590Upgraded Successor
successor cross-reference
successor
72135Upgraded Successor
successor cross-reference
successor
1309Interchangeable
interchangeable cross-reference
interchangeable
687265Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3306221-3?
3306221-3 is a STANDOFF,THREADED,SPACING.
What parts can replace 3306221-3?
There are 13 known substitutes for 3306221-3: 8258, 902904-1, 6515NCM082590 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3306221-3?
3306221-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-231-3357. 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