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48580 ✓ 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

HOUSING ASSEMBLY,BUTTERFLY SEAL. Key specifications include part_name_assigned_by_controlling_agency: RING TIEDOWN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-318-0025, 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
48580
NSN: 5340-00-318-0025
FSC: 5340
CAGE: 64104 — DRESSER, LLC (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyRING TIEDOWN
NSN5340-00-318-0025
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 48580 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
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
FIRST RECESS INSIDE HEIGHT: 0.062 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLES ALONG WIDTH: 3.000 INCHES NOMINAL IN
•
BODY THICKNESS: 0.187 INCHES NOMINAL IN
•
HOLE QUANTITY ALONG LENGTH: 4
•
FSC APPLICATION DATA: TIMING GEAR COVER
•
SECURING DEVICE TYPE: THREADED FASTENER
•
LENGTH: 5.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
FIRST RECESS INSIDE HEIGHT0.062 INCHES NOMINAL IN
DISTANCE BETWEEN HOLES ALONG WIDTH3.000 INCHES NOMINAL IN
BODY THICKNESS0.187 INCHES NOMINAL IN
HOLE QUANTITY ALONG LENGTH4
FSC APPLICATION DATATIMING GEAR COVER
SECURING DEVICE TYPETHREADED FASTENER
LENGTH5.500 INCHES NOMINAL IN
HOLE DIAMETER0.437 INCHES NOMINAL IN
WIDTH4.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
58335 AND 62293Interchangeable
interchangeable cross-reference
interchangeable
J454PC3T012 1-2Interchangeable
interchangeable cross-reference
interchangeable
J445PC3T012 3-8Interchangeable
interchangeable cross-reference
interchangeable
48580Interchangeable
interchangeable cross-reference
interchangeable
2120 1-1/4Interchangeable
interchangeable cross-reference
interchangeable
157 1-1/4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 48580?
48580 is a HOUSING ASSEMBLY,BUTTERFLY SEAL.
What parts can replace 48580?
There are 8 known substitutes for 48580: 58335 AND 62293, J454PC3T012 1-2, J445PC3T012 3-8 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 48580?
48580 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-318-0025. 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