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MS28775-250 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS28775-250: O-RING.

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, peripheral_diameter: 5.262 INCHES NOMINAL IN, center_hole_diameter: 4.969 INCHES MINIMUM AND 4.999 INCHES MAXIMUM IN, elongation_percentage: 160 MAXIMUM, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-091-0758, 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
MS28775-250
NSN: 5331-01-091-0758
NIINs: 010910758, 012745686
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
peripheral_diameter5.262 INCHES NOMINAL IN
center_hole_diameter4.969 INCHES MINIMUM AND 4.999 INCHES MAXIMUM IN
elongation_percentage160 MAXIMUM
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
departure_from_cited_documentMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
criticality_code_justificationZZZW
NSN5331-01-091-0758
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28775-250 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: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 5.219 INCHES MINIMUM AND 5.305 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 4.969 INCHES MINIMUM AND 4.999 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER5.219 INCHES MINIMUM AND 5.305 INCHES MAXIMUM IN
CENTER HOLE DIAMETER4.969 INCHES MINIMUM AND 4.999 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 8
36666-250Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
SAE-AS28775Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
2-250 N304-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
N72250Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1612810-10Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
N304-75-250Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS28775-250?
MS28775-250 is a O-RING.
What parts can replace MS28775-250?
There are 8 known substitutes for MS28775-250: 36666-250, SAE-AS28775, 2-250 N304-75 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS28775-250?
MS28775-250 is cataloged in the U.S. Government catalog under NSN 5331-01-091-0758. This indicates validated use in U.S. government and defense supply chains.
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