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PartsTable / COMPONENT / LA548-8
LA548-8 ✓ 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

FASTENER,CYLINDER,SPRING LOADED. Key specifications include length: 4.690 INCHES NOMINAL EFFECTIVE FREE LENGTH IN, diameter: 0.218 INCHES NOMINAL MOUNTING HOLE IN, special_features: EFFECT. EXTENDED LGTH 4.190 IN.

NOM IN, features_provided: ADJUSTABLE, mounting_end_type: PLATE. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-248-0425, 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
LA548-8
NSN: 5340-00-248-0425
FSC: 5340
CAGE: 46717 — PETTIBONE LLC (USA)
SPECIFICATIONS
length4.690 INCHES NOMINAL EFFECTIVE FREE LENGTH IN
diameter0.218 INCHES NOMINAL MOUNTING HOLE IN
special_featuresEFFECT. EXTENDED LGTH 4.190 IN. NOM IN
features_providedADJUSTABLE
mounting_end_typePLATE
mounting_hole_quantity2
NSN5340-00-248-0425
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: LA548-8 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 HOLE QUANTITY: 2
•
FEATURES PROVIDED: ADJUSTABLE
•
DIAMETER: 0.218 INCHES NOMINAL MOUNTING HOLE IN
•
LENGTH: 4.690 INCHES NOMINAL EFFECTIVE FREE LENGTH IN
•
MOUNTING END TYPE: PLATE
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING HOLE QUANTITY2
FEATURES PROVIDEDADJUSTABLE
DIAMETER0.218 INCHES NOMINAL MOUNTING HOLE IN
LENGTH4.690 INCHES NOMINAL EFFECTIVE FREE LENGTH IN
MOUNTING END TYPEPLATE
SPECIAL FEATURESEFFECT. EXTENDED LGTH 4.190 IN. NOM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
103128Interchangeable
interchangeable cross-reference
interchangeable
403120042Interchangeable
interchangeable cross-reference
interchangeable
701-4711389 PIECE 29Interchangeable
interchangeable cross-reference
interchangeable
750031Interchangeable
interchangeable cross-reference
interchangeable
7531N95A-12Interchangeable
interchangeable cross-reference
interchangeable
7531N95Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is LA548-8?
LA548-8 is a FASTENER,CYLINDER,SPRING LOADED.
What parts can replace LA548-8?
There are 8 known substitutes for LA548-8: 103128, 403120042, 701-4711389 PIECE 29 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for LA548-8?
LA548-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-248-0425. 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