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H7-64 — Technical Data Sheet

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— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

TERMINAL JUNCTION BLOCK,SECTIONA. Key specifications include material: STEEL COMP 303 OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, blade_length: 0.500 INCHES NOMINAL IN, hole_diameter: 0.172 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-00-671-7249, 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
H7-64
NSN: 4820-00-671-7249
FSC: 4820
CAGE: 23168 — HAMMEL DAHL INC (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
tooth_formSTANDARD
blade_length0.500 INCHES NOMINAL IN
hole_diameter0.172 INCHES NOMINAL IN
overall_length10.500 INCHES NOMINAL IN
pitch_diameter0.6656 INCHES MINIMUM AND 0.6666 INCHES MAXIMUM IN
pressure_angle20.0000 DEGREES
teeth_quantity64
outside_diameter3.000 INCHES NOMINAL IN
special_features3/8 IN. FEMALE SQ DRIVE IN END OF HANDLE IN
NSN4820-00-671-7249
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: H7-64 · 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
•
OUTSIDE DIAMETER: 3.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT
•
MATERIAL THICKNESS: 0.030 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 2.610 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.172 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.062 INCHES NOMINAL IN
•
MATERIAL: RUBBER FABRIC REINFORCED
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER3.000 INCHES NOMINAL IN
STYLE DESIGNATORFLAT
MATERIAL THICKNESS0.030 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER2.610 INCHES NOMINAL IN
HOLE DIAMETER0.172 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.062 INCHES NOMINAL IN
SPECIAL FEATURESMETAL DISK IN CENTER OF DIAPHRAGM
MATERIALRUBBER FABRIC REINFORCED
BOLT HOLE QUANTITY6
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
GGG-K-00275InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
GGG-K-00275 TY8STAInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M25-64InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
531199-1064InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
H-88InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
X33412PC3InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H7-64?
H7-64 is a TERMINAL JUNCTION BLOCK,SECTIONA.
What parts can replace H7-64?
There are 6 known substitutes for H7-64: GGG-K-00275, GGG-K-00275 TY8STA, M25-64 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H7-64?
H7-64 is cataloged in the Federal Logistics Information System under NSN 4820-00-671-7249. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026