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: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, hardness_rating: 68.0 SHORE DUROMETER A NOMINAL, special_features: CERTIFIED FREE FROM MERCURY CONTAMINATION, peripheral_diameter: 3.637 INCHES NOMINAL IN, center_hole_diameter: 3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-608-6432, 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
MS28775-237
NSN:5331-00-608-6432 FSC:5331 — O-RING CAGE:44114 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating
-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
hardness_rating
68.0 SHORE DUROMETER A NOMINAL
special_features
CERTIFIED FREE FROM MERCURY CONTAMINATION
peripheral_diameter
3.637 INCHES NOMINAL IN
center_hole_diameter
3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN
elongation_percentage
160 MAXIMUM
special_test_features
SPECIAL QUALITY CONTROL TESTING
cross-sectional_height
0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
departure_from_cited_document
AS MODIFIED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
criticality_code_justification
ZZZW AND FEAT
material_document_and_classification
MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
NSN
5331-00-608-6432
COMPONENT DIAGRAM
KEY FEATURES
•
OUTSIDE DIAMETER: 3.605 INCHES MINIMUM AND 3.669 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
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FREQUENTLY ASKED QUESTIONS
What is MS28775-237?
MS28775-237 is a O-RING.
What parts can replace MS28775-237?
There are 23 known substitutes for MS28775-237: A6689-237-142, 5331PL1333991, A06689.237.142 and 20 more. Substitute compatibility should be verified for your specific system.
Is MS28775-237 still available?
MS28775-237 is currently cancelled.
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