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S7-18 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S7-18: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, special_features: USE W/SHOP AIR ONLY, style_designator: FEMALE COUPLING HALF, operating_pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_thread_size: 0.375 INCHES SECOND FLUID END CONNECTION IN, maximum_operating_temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-050-1554, 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
S7-18
NSN: 5340-00-050-1554
NIINs: 000501554, 000546937, 001965381, 005895935, 015730314
FSC: 5340 — Hardware, Commercial
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
special_featuresUSE W/SHOP AIR ONLY
style_designatorFEMALE COUPLING HALF
operating_pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.375 INCHES SECOND FLUID END CONNECTION IN
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_series_designatorNPT SECOND FLUID END CONNECTION
quick_disconnect_nominal_size0.375 INCHES FIRST QUICK DISCONNECT END IN
NSN5340-00-050-1554
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S7-18 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
•
RADIUS: 0.938 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CONCAVE
•
MATERIAL THICKNESS: 0.065 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
RADIUS0.938 INCHES NOMINAL IN
OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
STYLE DESIGNATORCONCAVE
MATERIAL THICKNESS0.065 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S7-18?
S7-18 is a COUPLING HALF,QUICK DISCONNECT.
What is the NSN for S7-18?
S7-18 is cataloged in the U.S. Government catalog under NSN 5340-00-050-1554. This indicates validated use in U.S. government and defense supply chains.
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