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RSK300750AT40NE — O-RING SET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

RSK300750AT40NE: O-RING SET.

The O-RING SET is a the manufacturer industrial component. Key specifications include end_item_identification: UNIV MD MAST MFM NO.1 7377690 VA/CL, part_name_assigned_by_controlling_agency: TURCON STEPSEAL. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-582-9769, 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
RSK300750AT40NE
NSN: 5331-01-582-9769
FSC: 5331 — O-ring
CAGE: 09257 — TRELLEBORG SEALING SOLUTIONS US, INC. (USA)
SPECIFICATIONS
component_quantity2
end_item_identificationUNIV MD MAST MFM NO.1 7377690 VA/CL
part_name_assigned_by_controlling_agencyTURCON STEPSEAL
NSN5331-01-582-9769
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RSK300750AT40NE 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
•
COMPONENT QUANTITY: 2
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY2
PART NAME ASSIGNED BY CONTROLLING AGENCYTURCON STEPSEAL
END ITEM IDENTIFICATIONUNIV MD MAST MFM NO.1 7377690 VA/CL
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 1
RS1300750-T40NReference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RSK300750AT40NE?
RSK300750AT40NE is a O-RING SET.
What parts can replace RSK300750AT40NE?
There is 1 known substitute for RSK300750AT40NE: RS1300750-T40N. Substitute compatibility should be verified for your specific system.
What is the NSN for RSK300750AT40NE?
RSK300750AT40NE is cataloged in the U.S. Government catalog under NSN 5331-01-582-9769. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.