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H733-4-326 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H733-4-326: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROSILICONE CLASS FQ, temp_rating: -100.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF, hardness_rating: 60.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 1.585 INCHES MINIMUM AND 1.615 INCHES MAXIMUM IN, elongation_percentage: 125 MAXIMUM, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-937-1333, 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
H733-4-326
NSN: 5331-00-937-1333
FSC: 5331 — O-ring
CAGE: 07096 — BURKE INDUSTRIES PUROSIL DIV (USA)
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ
temp_rating-100.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF
hardness_rating60.0 SHORE DUROMETER A NOMINAL
center_hole_diameter1.585 INCHES MINIMUM AND 1.615 INCHES MAXIMUM IN
elongation_percentage125 MAXIMUM
cross-sectional_height0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
NSN5331-00-937-1333
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H733-4-326 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
•
TEMP RATING: -100.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
•
HARDNESS RATING: 60.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 125 MAXIMUM
•
CENTER HOLE DIAMETER: 1.585 INCHES MINIMUM AND 1.615 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
TECHNICAL CHARACTERISTICS
TEMP RATING-100.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
HARDNESS RATING60.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE125 MAXIMUM
CENTER HOLE DIAMETER1.585 INCHES MINIMUM AND 1.615 INCHES MAXIMUM IN
MATERIALRUBBER FLUOROSILICONE CLASS FQ
SUBSTITUTES & CROSS-REFERENCES 9
11-326-8450-60Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-326L449-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-DTL-25988/3Reference document
Same NSN cross-reference
Reference document — Identification reference
PRP326-11646Reference document
Same NSN cross-reference
Reference document — Secondary reference
M25988/3-326Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2-326L946-60Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H733-4-326?
H733-4-326 is a O-RING.
What parts can replace H733-4-326?
There are 9 known substitutes for H733-4-326: 11-326-8450-60, 2-326L449-6, MIL-DTL-25988/3 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H733-4-326?
H733-4-326 is cataloged in the U.S. Government catalog under NSN 5331-00-937-1333. This indicates validated use in U.S. government and defense supply chains.
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