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NS-4070 — VALVE,CHECK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

NS-4070: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL FLOW CONTROL DEVICE, valve_size: 1.250 INCHES IN, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE FIRST END, style_designator: STRAIGHT THRU FLANGED ENDS, mounting_facility: BRACKET(S). This part is cataloged in the U.S.

Government catalog under NSN 5340-01-103-3320, 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
NS-4070
NSN: 5340-01-103-3320
NIINs: 011033320, 011043965, 011131748
FSC: 5340 — Hardware, Commercial
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialSTEEL FLOW CONTROL DEVICE
valve_size1.250 INCHES IN
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE FIRST END
style_designatorSTRAIGHT THRU FLANGED ENDS
mounting_facilityBRACKET(S)
mounting_positionVERTICAL
nominal_thickness0.562 INCHES ALL ENDS IN
bolt_hole_quantity4 ALL ENDS
flange_face_designPLAIN ALL ENDS
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
NSN5340-01-103-3320
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NS-4070 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
SUBSTITUTES & CROSS-REFERENCES 1
NS-4070 FIND2 1 1/2INReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NS-4070?
NS-4070 is a VALVE,CHECK.
What parts can replace NS-4070?
There is 1 known substitute for NS-4070: NS-4070 FIND2 1 1/2IN. Substitute compatibility should be verified for your specific system.
What is the NSN for NS-4070?
NS-4070 is cataloged in the U.S. Government catalog under NSN 5340-01-103-3320. This indicates validated use in U.S. government and defense supply chains.
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