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S2B10128-3TAC1 — SEAL TUBE,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

S2B10128-3TAC1: SEAL TUBE,VALVE.

The SEAL TUBE,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 4820-01-108-1935, 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
S2B10128-3TAC1
NSN: 4820-01-108-1935
NIINs: 011081935, 013557406
FSC: 4820 — Valves, Nonpowered
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS AND REQUIRES CLEANING, PACKING, AND MARKING IAW MIL-STD-1330
NSN4820-01-108-1935
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: S2B10128-3TAC1 · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: QUALITY CONTROLLED IAW NAVY LEVEL 1 ASSURANCE GUIDE,CLEANED IAW MIL-C-52211
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROLLED IAW NAVY LEVEL 1 ASSURANCE GUIDE,CLEANED IAW MIL-C-52211
SUBSTITUTES & CROSS-REFERENCES 3
S2B10128-3TAReference document
Same NSN cross-reference
Reference document — Design control — primary reference
V3D10108 ITEM 12C1Reference document
Same NSN cross-reference
Reference document — Secondary reference
V3D10108 ITEM 12Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S2B10128-3TAC1?
S2B10128-3TAC1 is a SEAL TUBE,VALVE.
What parts can replace S2B10128-3TAC1?
There are 3 known substitutes for S2B10128-3TAC1: S2B10128-3TA, V3D10108 ITEM 12C1, V3D10108 ITEM 12. Substitute compatibility should be verified for your specific system.
What is the NSN for S2B10128-3TAC1?
S2B10128-3TAC1 is cataloged in the U.S. Government catalog under NSN 4820-01-108-1935. 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.