PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 18268
18268 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include length: 6.250 INCHES IN, material: COPPER ALLOY BODY, lead_size: EXTRA THICK, body_style: STRAIGHT SHAPE, EXTERNAL COUPLING, bore_shape: STRAIGHT, head_style: FLAT COUNTERSUNK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-037-7670, 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
18268
NSN: 5330-00-037-7670
FSC: 5330
CAGE: 81982 — HYDRO-AIRE AEROSPACE CORP (USA)
SPECIFICATIONS
length6.250 INCHES IN
materialCOPPER ALLOY BODY
lead_sizeEXTRA THICK
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLING
bore_shapeSTRAIGHT
head_styleFLAT COUNTERSUNK
lead_colorYELLOW
shell_typeSOLID
bonnet_typePACKING RETAINING
flange_shapeROUND WITH HOLES ALL ENDS
thread_class2A A
bore_diameter17.00 MILLIMETERS NOMINAL MM
NSN5330-00-037-7670
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 18268 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 STYLE: SPECIAL
•
ATTACHMENT FEATURE QUANTITY: 6
•
ATTACHMENT METHOD: ROUND HOLE
•
ATTACHMENT HOLE DIAMETER: 0.188 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
•
ATTACHMENT FEATURE CIRCLE DIAMETER: 1.312 INCHES NOMINAL SINGLE CIRCLE IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
MATERIAL: ALUMINUM ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESPECIAL
ATTACHMENT FEATURE QUANTITY6
ATTACHMENT METHODROUND HOLE
ATTACHMENT HOLE DIAMETER0.188 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
ATTACHMENT FEATURE CIRCLE DIAMETER1.312 INCHES NOMINAL SINGLE CIRCLE IN
SURFACE TREATMENTANODIZE OVERALL
MATERIALALUMINUM ALLOY OVERALL
PERIPHERAL DIAMETER1.675 INCHES MINIMUM AND 1.682 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.140 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
88503Interchangeable
interchangeable cross-reference
interchangeable
X1499Interchangeable
interchangeable cross-reference
interchangeable
203LL2Interchangeable
interchangeable cross-reference
interchangeable
325701 PIECE 5Interchangeable
interchangeable cross-reference
interchangeable
18268Interchangeable
interchangeable cross-reference
interchangeable
N767488Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 18268?
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 18268?
18268 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 18268?
There are 15 known substitutes for 18268: 88503, X1499, 203LL2 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18268?
18268 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-037-7670. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 18268

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026