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SS-43YF2-31S — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SS-43YF2-31S: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: STEEL CORROSION RESISTING BODY, special_features: 1/8 FEMALE NPT,3000.0PSI,50.0 TO 150.0 DEGREES F,W/AIR ACTUATOR MOD. 131,SPRING RETURN, mounting_facility: BRACKET, flow_control_device: BALL, end_item_identification: ENGINE,AIRCRAFT,F1, media_for_which_designed: AIR OR BUTANE.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-423-1795, 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
SS-43YF2-31S
NSN: 4820-01-423-1795
FSC: 4820 — Valves, Nonpowered
CAGE: 3T9T9 — SWAGELOK CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
special_features1/8 FEMALE NPT,3000.0PSI,50.0 TO 150.0 DEGREES F,W/AIR ACTUATOR MOD. 131,SPRING RETURN
mounting_facilityBRACKET
flow_control_deviceBALL
end_item_identificationENGINE,AIRCRAFT,F1
media_for_which_designedAIR OR BUTANE
NSN4820-01-423-1795
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SS-43YF2-31S · 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: BALL
•
MOUNTING FACILITY: BRACKET
•
MATERIAL: STEEL CORROSION RESISTING FLOW CONTROL DEVICE
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEBALL
MOUNTING FACILITYBRACKET
SPECIAL FEATURES1/8 FEMALE NPT,3000.0PSI,50.0 TO 150.0 DEGREES F,W/AIR ACTUATOR MOD. 131,SPRING RETURN
END ITEM IDENTIFICATIONENGINE,AIRCRAFT,F1
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING BODY
MATERIALSTEEL CORROSION RESISTING STEM
MATERIALPLASTIC TETRAFLUOROETHYLENE PACKING
MEDIA FOR WHICH DESIGNEDAIR OR BUTANE
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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SS-43YF2-31S?
SS-43YF2-31S is a VALVE,REGULATING,FLUID PRESSURE.
What is the NSN for SS-43YF2-31S?
SS-43YF2-31S is cataloged in the U.S. Government catalog under NSN 4820-01-423-1795. 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.