PartsTable
Technical Data Sheet
PartsTable / COMPONENT / SS403 3/16 IN. SQUARE
SS403 3/16 IN. SQUARE ✓ 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 SS403 3/16 IN. SQUARE is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-385-4451, 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
SS403 3/16 IN. SQUARE
NSN: 5330-01-385-4451
FSC: 5330
CAGE: 16281 — SEALING EQUIPMENT PRODUCTS CO, INC DIV SEALING EQUIPMENT PRODUCTS COMPANY, INC. (USA)
SPECIFICATIONS
Part NumberSS403 3/16 IN. SQUARE
NSN5330-01-385-4451
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SS403 3/16 IN. SQUARE 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: SQUARE
•
ENVIRONMENTAL ATTRIBUTE CODE: ASBESTOS ALTERNATIVE PRODUCTS
•
CROSS-SECTIONAL HEIGHT: 0.188 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESQUARE
ENVIRONMENTAL ATTRIBUTE CODEASBESTOS ALTERNATIVE PRODUCTS
CROSS-SECTIONAL HEIGHT0.188 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.188 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
8104963Interchangeable
interchangeable cross-reference
interchangeable
8262493Interchangeable
interchangeable cross-reference
interchangeable
C-48Interchangeable
interchangeable cross-reference
interchangeable
GGG-S-121 TY1CL5DEAInterchangeable
interchangeable cross-reference
interchangeable
4293055Interchangeable
interchangeable cross-reference
interchangeable
CR265Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy SS403 3/16 IN. SQUARE?
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 SS403 3/16 IN. SQUARE?
SS403 3/16 IN. SQUARE is a SS403 3/16 IN. SQUARE.
What parts can replace SS403 3/16 IN. SQUARE?
There are 9 known substitutes for SS403 3/16 IN. SQUARE: 8104963, 8262493, C-48 and 6 more. Substitute compatibility should be verified for your specific system.
Is SS403 3/16 IN. SQUARE still available?
SS403 3/16 IN. SQUARE is currently cancelled.
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 — SS403 3/16 IN. SQUARE

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