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301738 — VALVE,CHECK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

301738: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, hole_diameter: 0.342 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN, body_thickness: 0.190 INCHES NOMINAL IN, inside_diameter: 3.310 INCHES NOMINAL IN, flange_thickness: 0.250 INCHES NOMINAL IN, outside_diameter: 5.120 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-776-7367, 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
301738
NSN: 5340-00-776-7367
NIINs: 007767367, 014820488
FSC: 5340 — Hardware, Commercial
CAGE: 02978 — RENK AMERICA LLC DIV RENK AMERICA (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
hole_diameter0.342 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
body_thickness0.190 INCHES NOMINAL IN
inside_diameter3.310 INCHES NOMINAL IN
flange_thickness0.250 INCHES NOMINAL IN
outside_diameter5.120 INCHES NOMINAL IN
features_providedSEALING CAPABILITY
surface_treatmentANODIZE
bolt_circle_diameter4.500 INCHES NOMINAL IN
inside_corner_radius0.250 INCHES NOMINAL IN
securing_device_typeTHREADED FASTENER
peripheral_shape_styleROUND, MULTI HOLES
NSN5340-00-776-7367
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 301738 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
•
FLANGE THICKNESS: 0.250 INCHES NOMINAL IN
•
BOLT CIRCLE HOLE QUANTITY: 6
•
INSIDE CORNER RADIUS: 0.250 INCHES NOMINAL IN
•
FIRST RECESS INSIDE HEIGHT: 0.560 INCHES NOMINAL IN
•
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
•
CROSS-SECTIONAL SHAPE STYLE: CIRCULAR RECESS
•
OUTSIDE DIAMETER: 5.120 INCHES NOMINAL IN
•
FEATURES PROVIDED: SEALING CAPABILITY
TECHNICAL CHARACTERISTICS
FLANGE THICKNESS0.250 INCHES NOMINAL IN
BOLT CIRCLE HOLE QUANTITY6
INSIDE CORNER RADIUS0.250 INCHES NOMINAL IN
FIRST RECESS INSIDE HEIGHT0.560 INCHES NOMINAL IN
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
CROSS-SECTIONAL SHAPE STYLECIRCULAR RECESS
OUTSIDE DIAMETER5.120 INCHES NOMINAL IN
FEATURES PROVIDEDSEALING CAPABILITY
SECURING DEVICE TYPETHREADED FASTENER
INSIDE DIAMETER3.310 INCHES NOMINAL IN
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 301738?
301738 is a VALVE,CHECK.
What is the NSN for 301738?
301738 is cataloged in the U.S. Government catalog under NSN 5340-00-776-7367. This indicates validated use in U.S. government and defense supply chains.
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