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SP-58 ✓ Verified by PartsTable
Middle Atlantic Products · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

Vented panels are fitted with lift handles and internal locks. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-222-3719, 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
SP-58
NSN: 5340-00-222-3719
FSC: 5340
CAGE: 59646 — MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTINGS INDUSTRY INC (USA)
SPECIFICATIONS
Part NumberSP-58
ManufacturerMiddle Atlantic Products
NSN5340-00-222-3719
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SP-58 MFR: Middle Atlantic Products ⚠ 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
•
MATERIAL: IRON MALLEABLE
•
PIPE ACCOMMODATION DIAMETER: 0.750 INCHES NOMINAL IN
•
SUPPORTED ITEM AND QUANTITY: 1 PIPE
•
STYLE DESIGNATOR: HINGED RING
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALIRON MALLEABLE
PIPE ACCOMMODATION DIAMETER0.750 INCHES NOMINAL IN
SUPPORTED ITEM AND QUANTITY1 PIPE
STYLE DESIGNATORHINGED RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
FIG115-2INUpgraded Successor
successor cross-reference
successor
104GUpgraded Successor
successor cross-reference
successor
MSS-SP69Interchangeable
interchangeable cross-reference
interchangeable
MSS-SP90Interchangeable
interchangeable cross-reference
interchangeable
MSS-SP58Interchangeable
interchangeable cross-reference
interchangeable
KH5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SP-58?
SP-58 is a SPILL CLEAN-UP KIT,HAZARDOUS MAT manufactured by Middle Atlantic Products.
What parts can replace SP-58?
There are 13 known substitutes for SP-58: FIG115-2IN, 104G, MSS-SP69 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SP-58?
SP-58 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-222-3719. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026