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509956-1 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

509956-1: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, regulation_type: MANUAL SINGLE STAGE, media_for_which_designed: HYDRAULIC OIL, second_end_relationship_with_first_end: IDENTICAL, thread_size_and_series/type_designator: 3/8-18 NPTF FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-133-8445, 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
509956-1
NSN: 4820-00-133-8445
FSC: 4820 — Valves, Nonpowered
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
filterNOT INCLUDED
regulation_typeMANUAL SINGLE STAGE
end_connection_quantity3
media_for_which_designedHYDRAULIC OIL
second_end_relationship_with_first_endIDENTICAL
thread_size_and_series/type_designator3/8-18 NPTF FIRST END
NSN4820-00-133-8445
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 509956-1 · 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
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
REGULATION TYPE: MANUAL SINGLE STAGE
•
END CONNECTION QUANTITY: 3
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC OIL
•
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 3/8-18 NPTF FIRST END
•
FILTER: NOT INCLUDED
TECHNICAL CHARACTERISTICS
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
REGULATION TYPEMANUAL SINGLE STAGE
END CONNECTION QUANTITY3
MEDIA FOR WHICH DESIGNEDHYDRAULIC OIL
THREAD SIZE AND SERIES/TYPE DESIGNATOR3/8-18 NPTF FIRST END
FILTERNOT INCLUDED
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 3
NAECDWG509956 1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
91630793Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
L1FN03-20Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 509956-1?
509956-1 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 509956-1?
There are 3 known substitutes for 509956-1: NAECDWG509956 1, 91630793, L1FN03-20. Substitute compatibility should be verified for your specific system.
What is the NSN for 509956-1?
509956-1 is cataloged in the U.S. Government catalog under NSN 4820-00-133-8445. This indicates validated use in U.S. government and defense supply chains.
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