Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 2.047 INCHES MINIMUM AND 2.089 INCHES MAXIMUM IN, center_hole_diameter: 1.852 INCHES MINIMUM AND 1.872 INCHES MAXIMUM IN, elongation_percentage: 331 MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-030-1822, 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
633-178 PIECE 31
NSN:5331-01-030-1822 FSC:5331 — O-RING CAGE:09647 — AQUA-CHEM, INC. (USA)
SPECIFICATIONS
material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating
-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating
70.0 SHORE DUROMETER A NOMINAL
outside_diameter
2.047 INCHES MINIMUM AND 2.089 INCHES MAXIMUM IN
center_hole_diameter
1.852 INCHES MINIMUM AND 1.872 INCHES MAXIMUM IN
elongation_percentage
331 MAXIMUM
cross-sectional_height
0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN
5331-01-030-1822
COMPONENT DIAGRAM
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 331 MAXIMUM
•
CENTER HOLE DIAMETER: 1.852 INCHES MINIMUM AND 1.872 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
OUTSIDE DIAMETER: 2.047 INCHES MINIMUM AND 2.089 INCHES MAXIMUM IN
•
TEMP RATING: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
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FREQUENTLY ASKED QUESTIONS
What is 633-178 PIECE 31?
633-178 PIECE 31 is a O-RING.
What parts can replace 633-178 PIECE 31?
There are 7 known substitutes for 633-178 PIECE 31: 7049466P1, 457-60-134, SAE-AS29513 and 4 more. Substitute compatibility should be verified for your specific system.
Is 633-178 PIECE 31 still available?
633-178 PIECE 31 is currently cancelled.
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