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Technical Data Sheet
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S15-40854 — RESTRICTOR,FLUID FLOW

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

S15-40854: RESTRICTOR,FLUID FLOW.

The RESTRICTOR,FLUID FLOW is a the manufacturer industrial component. Key specifications include design_type: PLATE, valve_type_for_which_designed: RELIEF. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-290-4480, 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
S15-40854
NSN: 4820-01-290-4480
NIINs: 012904480, 012904500
FSC: 4820 — Valves, Nonpowered
CAGE: 9F512 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC PUMP DIVISION (USA)
SPECIFICATIONS
design_typePLATE
valve_type_for_which_designedRELIEF
NSN4820-01-290-4480
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: S15-40854 · 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: RELIEF
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDRELIEF
SUBSTITUTES & CROSS-REFERENCES 2
4820PL0787680Reference document
Same NSN cross-reference
Reference document — Informative reference only
S15-40854-C ITEM 3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 S15-40854?
S15-40854 is a RESTRICTOR,FLUID FLOW.
What parts can replace S15-40854?
There are 2 known substitutes for S15-40854: 4820PL0787680, S15-40854-C ITEM 3. Substitute compatibility should be verified for your specific system.
What is the NSN for S15-40854?
S15-40854 is cataloged in the U.S. Government catalog under NSN 4820-01-290-4480. 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.