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SS-3A-63-1 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SS-3A-63-1: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, special_features: 2500 PSI, stem_actuating_end_type: THREADED EXTERNALLY, valve_type_for_which_designed: BALL, criticality_code_justification: ZZZY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-271-3660, 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-3A-63-1
NSN: 4820-01-271-3660
NIINs: 012713660, 012905684
FSC: 4820 — Valves, Nonpowered
CAGE: 3T9T9 — SWAGELOK CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
special_features2500 PSI
stem_actuating_end_typeTHREADED EXTERNALLY
valve_type_for_which_designedBALL
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN4820-01-271-3660
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SS-3A-63-1 · 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: BALL
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDBALL
STEM ACTUATING END TYPETHREADED EXTERNALLY
SPECIAL FEATURES2500 PSI
MATERIALSTEEL CORROSION RESISTING
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-3A-63-1?
SS-3A-63-1 is a STEM,FLUID VALVE.
What is the NSN for SS-3A-63-1?
SS-3A-63-1 is cataloged in the U.S. Government catalog under NSN 4820-01-271-3660. 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.