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 160.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 1.755 INCHES NOMINAL IN, center_hole_diameter: 1.534 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN, elongation_percentage: 160 MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-580-4394, 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
MS28775-129
NSN:5331-00-580-4394 FSC:5331 — O-RING CAGE:A9271 — GORIZIANE GROUP SPA (ITA)
SPECIFICATIONS
material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating
-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
hardness_rating
70.0 SHORE DUROMETER A NOMINAL
outside_diameter
1.755 INCHES NOMINAL IN
center_hole_diameter
1.534 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN
elongation_percentage
160 MAXIMUM
cross-sectional_height
0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
criticality_code_justification
ZZZY
material_document_and_classification
MIL-P-5516, CL B MIL SPEC SINGLE MATERIAL RESPONSE
reference_number_differentiating_characteristics
CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
NSN
5331-00-580-4394
COMPONENT DIAGRAM
KEY FEATURES
•
CENTER HOLE DIAMETER: 1.539 INCHES MINIMUM AND 1.559 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 1.734 INCHES MINIMUM AND 1.776 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
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FREQUENTLY ASKED QUESTIONS
What is MS28775-129?
MS28775-129 is a O-RING.
What parts can replace MS28775-129?
There are 19 known substitutes for MS28775-129: 199986, M83248/1-129, ST1050-129 and 16 more. Substitute compatibility should be verified for your specific system.
Is MS28775-129 still available?
MS28775-129 is currently cancelled.
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