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PK518 — PARTS KIT,PRESSURE REGULATING VA

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

PK518: PARTS KIT,PRESSURE REGULATING VA.

PARTS KIT,PRESSURE REGULATING VA. Key specifications include component_quantity: 11, nonsupply_items_and_quantities: O-RING 4;BACKUP RING 3; O CENTRE CART 1; BODY 1; CAP NUT 1; SPRING 1. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-386-9899, 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
PK518
NSN: 4820-01-386-9899
FSC: 4820 — Valves, Nonpowered
CAGE: 0P8V4 — INTEGRATED HYDRAULICS INC (USA)
SPECIFICATIONS
component_quantity11
nonsupply_items_and_quantitiesO-RING 4;BACKUP RING 3; O CENTRE CART 1; BODY 1; CAP NUT 1; SPRING 1
NSN4820-01-386-9899
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: PK518 · 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
•
COMPONENT QUANTITY: 11
•
NONSUPPLY ITEMS AND QUANTITIES: O-RING 4;BACKUP RING 3; O CENTRE CART 1; BODY 1; CAP NUT 1; SPRING 1
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY11
NONSUPPLY ITEMS AND QUANTITIESO-RING 4;BACKUP RING 3; O CENTRE CART 1; BODY 1; CAP NUT 1; SPRING 1
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

No substitute or cross-reference records for this part.

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 PK518?
PK518 is a PARTS KIT,PRESSURE REGULATING VA.
What is the NSN for PK518?
PK518 is cataloged in the U.S. Government catalog under NSN 4820-01-386-9899. 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.