PartsTable
Technical Data Sheet
Download PDF

S1400-66 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S1400-66: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, cross-sectional_height: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-853-4276, 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
S1400-66
NSN: 5331-00-853-4276
FSC: 5331 — O-ring
CAGE: 26337 — PARKER-HANNIFIN CORPORATION DIV HYDRAULIC ACCUMULATOR DIVISION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
cross-sectional_height0.250 INCHES NOMINAL IN
NSN5331-00-853-4276
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S1400-66 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: 0.250 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.250 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 3
303169Reference document
Same NSN cross-reference
Reference document — Secondary reference
A72573-200PC6Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
5331PL0885127Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy S1400-66?
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 S1400-66?
S1400-66 is a O-RING.
What parts can replace S1400-66?
There are 3 known substitutes for S1400-66: 303169, A72573-200PC6, 5331PL0885127. Substitute compatibility should be verified for your specific system.
What is the NSN for S1400-66?
S1400-66 is cataloged in the U.S. Government catalog under NSN 5331-00-853-4276. 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 — S1400-66

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.