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52-10621-1 — POPPET,FILTER,HYDRAULIC SYSTEM

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

52-10621-1: POPPET,FILTER,HYDRAULIC SYSTEM.

The POPPET,FILTER,HYDRAULIC SYSTEM is a the manufacturer industrial component. Key specifications include end_item_identification: ACFT MODEL S-3A A, general_characteristics_item_description: CRES,QQ-S-763,CL 304,PASSIVATE MIL-S-5002,0.875 IN. O/A LG IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-00-364-6520, 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
52-10621-1
NSN: 4820-00-364-6520
FSC: 4820 — Valves, Nonpowered
CAGE: 05228 — PTI TECHNOLOGIES INC. (USA)
SPECIFICATIONS
end_item_identificationACFT MODEL S-3A A
general_characteristics_item_descriptionCRES,QQ-S-763,CL 304,PASSIVATE MIL-S-5002,0.875 IN. O/A LG IN
NSN4820-00-364-6520
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 52-10621-1 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CRES,QQ-S-763,CL 304,PASSIVATE MIL-S-5002,0.875 IN. O/A LG IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCRES,QQ-S-763,CL 304,PASSIVATE MIL-S-5002,0.875 IN. O/A LG IN
END ITEM IDENTIFICATIONACFT MODEL S-3A A
SUBSTITUTES & CROSS-REFERENCES 2
52-1062Reference document
Same NSN cross-reference
Reference document — Secondary reference
52-1062-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 52-10621-1?
52-10621-1 is a POPPET,FILTER,HYDRAULIC SYSTEM.
What parts can replace 52-10621-1?
There are 2 known substitutes for 52-10621-1: 52-1062, 52-1062-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 52-10621-1?
52-10621-1 is cataloged in the U.S. Government catalog under NSN 4820-00-364-6520. 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.