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SS-3A-63 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

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

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-131-9659, 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
NSN: 4820-01-131-9659
NIINs: 011319659, 012905685
FSC: 4820 — Valves, Nonpowered
CAGE: 3T9T9 — SWAGELOK CO (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN4820-01-131-9659
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SS-3A-63 · 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
•
FURNISHED ITEMS AND QUANTITY: 1 DISK
•
LARGEST OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
STEM ACTUATING END TYPE: FLATTED AND THREADED EXTERNALLY
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 DISK
LARGEST OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
STEM ACTUATING END TYPEFLATTED AND THREADED EXTERNALLY
OVERALL LENGTH1.375 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 2
1008-B300Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
1008-B300 FIND 6Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 SS-3A-63?
SS-3A-63 is a STEM,FLUID VALVE.
What parts can replace SS-3A-63?
There are 2 known substitutes for SS-3A-63: 1008-B300, 1008-B300 FIND 6. Substitute compatibility should be verified for your specific system.
What is the NSN for SS-3A-63?
SS-3A-63 is cataloged in the U.S. Government catalog under NSN 4820-01-131-9659. 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.