PartsTable
Technical Data Sheet
Download PDF

218777 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

218777: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_type: SOLID, core_depth: 1.090 INCHES NOMINAL IN, head_height: 0.380 INCHES NOMINAL IN, thread_class: 2A EXTERNAL A, thread_length: 0.900 INCHES NOMINAL EXTERNAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-764-6593, 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
218777
NSN: 5331-00-764-6593
NIINs: 007646593, 011806745
FSC: 5331 — O-ring
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_typeSOLID
core_depth1.090 INCHES NOMINAL IN
head_height0.380 INCHES NOMINAL IN
thread_class2A EXTERNAL A
thread_length0.900 INCHES NOMINAL EXTERNAL IN
overall_length1.280 INCHES NOMINAL IN
connection_stylePLAIN
style_designatorPLUG, MACHINE
thread_directionRIGHT-HAND EXTERNAL
body_core_diameter0.609 INCHES NOMINAL IN
nominal_thread_size1.062 INCHES EXTERNAL IN
NSN5331-00-764-6593
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 218777 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 HEIGHT: 0.140 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.140 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 218777?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 218777?
218777 is a O-RING.
What is the NSN for 218777?
218777 is cataloged in the U.S. Government catalog under NSN 5331-00-764-6593. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 218777