PartsTable
Technical Data Sheet
Download PDF

H625-0309 — VALVE,BLEEDER,HYDRAULIC SYSTEM

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

H625-0309: VALVE,BLEEDER,HYDRAULIC SYSTEM.

The VALVE,BLEEDER,HYDRAULIC SYSTEM is a the manufacturer industrial component. Key specifications include material: STEEL BODY, thread_class: 2A ALL ENDS A, thread_direction: RIGHT-HAND ALL ENDS, nominal_thread_size: 0.750 INCHES ALL ENDS IN, valve_operation_method: MANUAL, end_item_identification: NSSN CLASS SUBMARINE RETRACTABLE BOW PLANE CYLINDER. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-497-4299, 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
H625-0309
NSN: 4820-01-497-4299
FSC: 4820 — Valves, Nonpowered
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialSTEEL BODY
thread_class2A ALL ENDS A
thread_directionRIGHT-HAND ALL ENDS
nominal_thread_size0.750 INCHES ALL ENDS IN
valve_operation_methodMANUAL
end_item_identificationNSSN CLASS SUBMARINE RETRACTABLE BOW PLANE CYLINDER
thread_series_designatorUNF ALL ENDS
part_name_assigned_by_controlling_agencyVALVE,BLEED,SELF-LOCKING
NSN4820-01-497-4299
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: H625-0309 · 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
•
CONNECTION STYLE: PLAIN (SCREW-IN CARTRIDGE) ALL ENDS
•
CONNECTION TYPE: THREADED CARTRIDGE ALL ENDS
•
STYLE DESIGNATOR: SCREW-IN CARTRIDGE
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
NOMINAL THREAD SIZE: 0.750 INCHES ALL ENDS IN
•
THREAD CLASS: 2A ALL ENDS A
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN (SCREW-IN CARTRIDGE) ALL ENDS
CONNECTION TYPETHREADED CARTRIDGE ALL ENDS
STYLE DESIGNATORSCREW-IN CARTRIDGE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
PART NAME ASSIGNED BY CONTROLLING AGENCYVALVE,BLEED,SELF-LOCKING
THREAD CLASS2A ALL ENDS A
END ITEM IDENTIFICATIONNSSN CLASS SUBMARINE RETRACTABLE BOW PLANE CYLINDER
MATERIALSTEEL BODY
THREAD SERIES DESIGNATORUNF ALL ENDS
SUBSTITUTES & CROSS-REFERENCES 2
H625-0309-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
566-7067171Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy H625-0309?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is H625-0309?
H625-0309 is a VALVE,BLEEDER,HYDRAULIC SYSTEM.
What parts can replace H625-0309?
There are 2 known substitutes for H625-0309: H625-0309-7, 566-7067171. Substitute compatibility should be verified for your specific system.
What is the NSN for H625-0309?
H625-0309 is cataloged in the U.S. Government catalog under NSN 4820-01-497-4299. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — H625-0309

✓ 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.