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543503 — VALVE,SHUTTLE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

543503: VALVE,SHUTTLE.

The VALVE,SHUTTLE is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC FLOW CONTROL DEVICE, operating_pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, flow_control_device: DIAPHRAGM, maximum_operating_temp: 160.0 FAHRENHEIT SINGLE RESPONSE DEGF, media_for_which_designed: GAS, INERT SECOND RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-797-4161, 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
543503
NSN: 5305-00-797-4161
NIINs: 007974161, 015128178
FSC: 5305 — Screws
CAGE: 45934 — ONTIC ENGINEERING & MANUFACTURING, INC DBA ONTIC US (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC FLOW CONTROL DEVICE
operating_pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDIAPHRAGM
maximum_operating_temp160.0 FAHRENHEIT SINGLE RESPONSE DEGF
media_for_which_designedGAS, INERT SECOND RESPONSE
NSN5305-00-797-4161
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 543503 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 543503?
543503 is a VALVE,SHUTTLE.
What is the NSN for 543503?
543503 is cataloged in the U.S. Government catalog under NSN 5305-00-797-4161. This indicates validated use in U.S. government and defense supply chains.
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