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Technical Data Sheet
SC-1/4-4 ✓ 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 SC-1/4-4 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-107-7559, 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
SC-1/4-4
NSN: 5340-01-107-7559
FSC: 5340
CAGE: 0DZP5 — HARDWARE SPECIALTY CO. INC. (USA)
SPECIFICATIONS
Part NumberSC-1/4-4
NSN5340-01-107-7559
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SC-1/4-4 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
OVERALL DIAMETER: 0.300 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
MATERIAL: PLASTIC
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
DESIGN TYPE: FRICTION
INSIDE DIAMETER LENGTH: 0.500 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
ROUND CAP OUTSIDE SURFACE CONDITION: SMOOTH
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER0.300 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
MATERIALPLASTIC
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
DESIGN TYPEFRICTION
INSIDE DIAMETER LENGTH0.500 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
ROUND CAP OUTSIDE SURFACE CONDITIONSMOOTH
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
17045Upgraded Successor
successor cross-reference
successor
6515NCM104742Upgraded Successor
successor cross-reference
successor
201.768Upgraded Successor
successor cross-reference
successor
NAS847Upgraded Successor
successor cross-reference
successor
MIL-C-5501/7Upgraded Successor
successor cross-reference
successor
M5501/7-F24Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SC-1/4-4?
SC-1/4-4 is a SC-1/4-4.
What parts can replace SC-1/4-4?
There are 29 known substitutes for SC-1/4-4: 17045, 6515NCM104742, 201.768 and 26 more. Substitute compatibility should be verified for your specific system.
Is SC-1/4-4 still available?
SC-1/4-4 is currently cancelled.
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