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645E198 — VALVE,PNEUMATIC TANK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

645E198: VALVE,PNEUMATIC TANK.

The VALVE,PNEUMATIC TANK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, body_style: STRAIGHT THRU, flow_control_device: POPPET, first_end_connection_type: THREADED EXTERNAL PIPE, first_end_style_designator: PLAIN, first_end_thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-516-3331, 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
645E198
NSN: 4820-00-516-3331
FSC: 4820 — Valves, Nonpowered
CAGE: 27783 — SCHRADER-BRIDGEPORT INTERNATIONAL INC DBA SCHRADER AUTOMOTIVE (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
body_styleSTRAIGHT THRU
flow_control_devicePOPPET
end_connection_quantity2
first_end_connection_typeTHREADED EXTERNAL PIPE
first_end_style_designatorPLAIN
first_end_thread_directionRIGHT-HAND
second_end_connection_typeTHREADED EXTERNAL BOSS
second_end_style_designatorGASKET SEAL
second_end_thread_directionRIGHT-HAND
core_environmental_protectionCORROSION
commercial_spring_tension_ratingHIGH
NSN4820-00-516-3331
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 645E198 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLOW CONTROL DEVICE: POPPET
•
CORE ENVIRONMENTAL PROTECTION: CORROSION
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
BODY STYLE: STRAIGHT THRU
•
FIRST END STYLE DESIGNATOR: PLAIN
•
END CONNECTION QUANTITY: 2
•
SECOND END THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
CORE ENVIRONMENTAL PROTECTIONCORROSION
FIRST END THREAD DIRECTIONRIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
BODY STYLESTRAIGHT THRU
FIRST END STYLE DESIGNATORPLAIN
END CONNECTION QUANTITY2
SECOND END THREAD DIRECTIONRIGHT-HAND
SECOND END STYLE DESIGNATORGASKET SEAL
FIRST END CONNECTION TYPETHREADED EXTERNAL PIPE
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
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 645E198?
645E198 is a VALVE,PNEUMATIC TANK.
What is the NSN for 645E198?
645E198 is cataloged in the U.S. Government catalog under NSN 4820-00-516-3331. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.