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TF-2 — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

TF-2: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYPROPYLENE BODY, overall_length: 4.656 INCHES NOMINAL IN, valve_operation_method: AUTOMATIC, media_for_which_designed: AIR SINGLE RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-336-5398, 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
TF-2
NSN: 4820-00-336-5398
NIINs: 003365398, 013595280
FSC: 4820 — Valves, Nonpowered
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialPLASTIC POLYPROPYLENE BODY
overall_length4.656 INCHES NOMINAL IN
valve_operation_methodAUTOMATIC
media_for_which_designedAIR SINGLE RESPONSE
NSN4820-00-336-5398
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: TF-2 · 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
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
OVERALL LENGTH4.656 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 6
DD445S4700-53ALT4PC188Reference document
Same NSN cross-reference
Reference document — Secondary reference
BS1195PC188Reference document
Same NSN cross-reference
Reference document — Secondary reference
BS1194PC188Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DD692S4700-9PC188Reference document
Same NSN cross-reference
Reference document — Secondary reference
DD445S4700-52ALT4PC188Reference document
Same NSN cross-reference
Reference document — Secondary reference
DD692S4700-8PC188Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is TF-2?
TF-2 is a STEM,FLUID VALVE.
What parts can replace TF-2?
There are 6 known substitutes for TF-2: DD445S4700-53ALT4PC188, BS1195PC188, BS1194PC188 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TF-2?
TF-2 is cataloged in the U.S. Government catalog under NSN 4820-00-336-5398. 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.