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

The ANSI/MSS-SP-58 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-205-3004, 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
ANSI/MSS-SP-58
NSN: 5340-00-205-3004
FSC: 5340
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part NumberANSI/MSS-SP-58
NSN5340-00-205-3004
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ANSI/MSS-SP-58 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
•
MATERIAL: STEEL
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
•
SUPPORTED ITEM AND QUANTITY: 1 PIPE
•
PIPE ACCOMMODATION DIAMETER: 6.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CLEVIS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
NONDEFINITIVE SPEC/STD DATA1 TYPE
SUPPORTED ITEM AND QUANTITY1 PIPE
PIPE ACCOMMODATION DIAMETER6.000 INCHES NOMINAL IN
STYLE DESIGNATORCLEVIS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
WWH171Upgraded Successor
successor cross-reference
successor
104G-2Upgraded Successor
successor cross-reference
successor
WW-H-171 TY24Upgraded Successor
successor cross-reference
successor
34430Upgraded Successor
successor cross-reference
successor
A-A-1192Interchangeable
interchangeable cross-reference
interchangeable
MSS SP-58 TY11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ANSI/MSS-SP-58?
ANSI/MSS-SP-58 is a ANSI/MSS-SP-58.
What parts can replace ANSI/MSS-SP-58?
There are 13 known substitutes for ANSI/MSS-SP-58: WWH171, 104G-2, WW-H-171 TY24 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ANSI/MSS-SP-58?
ANSI/MSS-SP-58 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-205-3004. 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