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SW143 — SWITCH,RADIO FREQUENCY TRANSMISS

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SW143: SWITCH,RADIO FREQUENCY TRANSMISS.

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include material: STEEL CORROSION RESISTING, attachment_method: THREADED, end_item_identification: VALVE,ANGLE,RELIEF, valve_size_for_which_designed: 0.500 INCHES IN, valve_type_for_which_designed: RELIEF, valve_model_number_for_which_designed: 2771T. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-414-8045, 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
SW143
NSN: 4820-01-414-8045
NIINs: 014148045, 014154652, 014511213
FSC: 4820 — Valves, Nonpowered
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
attachment_methodTHREADED
end_item_identificationVALVE,ANGLE,RELIEF
valve_size_for_which_designed0.500 INCHES IN
valve_type_for_which_designedRELIEF
valve_model_number_for_which_designed2771T
NSN4820-01-414-8045
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SW143 · 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
•
VALVE TYPE FOR WHICH DESIGNED: RELIEF
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 2771T
•
VALVE SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
•
MATERIAL: STEEL CORROSION RESISTING
•
ATTACHMENT METHOD: THREADED
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDRELIEF
VALVE MODEL NUMBER FOR WHICH DESIGNED2771T
VALVE SIZE FOR WHICH DESIGNED0.500 INCHES IN
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
MATERIALSTEEL CORROSION RESISTING
ATTACHMENT METHODTHREADED
SUBSTITUTES & CROSS-REFERENCES 2
A07395.002.102Reference document
Same NSN cross-reference
Reference document — Secondary reference
SW143 FIND 18Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 SW143?
SW143 is a SWITCH,RADIO FREQUENCY TRANSMISS.
What parts can replace SW143?
There are 2 known substitutes for SW143: A07395.002.102, SW143 FIND 18. Substitute compatibility should be verified for your specific system.
What is the NSN for SW143?
SW143 is cataloged in the U.S. Government catalog under NSN 4820-01-414-8045. 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.