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MS28775-440 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS28775-440: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include special_features: END ITEM APPLICATION SURGICAL INSTRUMENT AND DRESSING; MODEL 546E001, end_item_identification: 6530-01-306-9510. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-725-9798, 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
MS28775-440
NSN: 5331-00-725-9798
NIINs: 007259798, 014164001
FSC: 5331 — O-ring
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
special_featuresEND ITEM APPLICATION SURGICAL INSTRUMENT AND DRESSING; MODEL 546E001
end_item_identification6530-01-306-9510
NSN5331-00-725-9798
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28775-440 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: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 7.223 INCHES MINIMUM AND 7.327 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 6.702 INCHES MINIMUM AND 6.748 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
OUTSIDE DIAMETER7.223 INCHES MINIMUM AND 7.327 INCHES MAXIMUM IN
CENTER HOLE DIAMETER6.702 INCHES MINIMUM AND 6.748 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 6
SAE-AS28775Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
2-440 N304-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
N304-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
737-70Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SR440SR832-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
PRP568-440-4067-70Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS28775-440?
MS28775-440 is a O-RING.
What parts can replace MS28775-440?
There are 6 known substitutes for MS28775-440: SAE-AS28775, 2-440 N304-75, N304-7 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS28775-440?
MS28775-440 is cataloged in the U.S. Government catalog under NSN 5331-00-725-9798. This indicates validated use in U.S. government and defense supply chains.
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