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PartsTable / COMPONENT / 1701-H 8IN
1701-H 8IN ✓ Verified by PartsTable
— · 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

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 485 STEM, valve_size: 8.000 INCHES IN, bonnet_type: INSIDE SPRING, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, special_features: INLET & OUTLET FLANGE IAW SPEC B-176. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-532-2589, 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
1701-H 8IN
NSN: 4820-01-532-2589
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialCOPPER ALLOY 485 STEM
valve_size8.000 INCHES IN
bonnet_typeINSIDE SPRING
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
special_featuresINLET & OUTLET FLANGE IAW SPEC B-176
style_designatorANGLE FLANGED ENDS
features_providedPRESSURE TIGHT OUTLET SIDE
bolt_hole_quantity8 ALL ENDS
operating_pressure100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
NSN4820-01-532-2589
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1701-H 8IN · 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
•
BONNET TYPE: INSIDE SPRING
•
DISK LOADING METHOD: SPRING
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
•
FLANGE SHAPE: ROUND WITH HOLES ALL ENDS
•
VALVE OPERATION METHOD: AUTOMATIC OR MANUAL
•
MATERIAL: COPPER ALLOY 485 STEM
•
BOLT HOLE NOMINAL DIAMETER: 0.938 INCHES ALL ENDS IN
•
FIRST CONNECTION FACE TO CENTERLINE DISTANCE: 10.500 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
BONNET TYPEINSIDE SPRING
DISK LOADING METHODSPRING
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
FLANGE SHAPEROUND WITH HOLES ALL ENDS
VALVE OPERATION METHODAUTOMATIC OR MANUAL
MATERIALCOPPER ALLOY 485 STEM
BOLT HOLE NOMINAL DIAMETER0.938 INCHES ALL ENDS IN
FIRST CONNECTION FACE TO CENTERLINE DISTANCE10.500 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCY8" RELIEF VALVE
NONDEFINITIVE SPEC/STD DATAII TYPE AND A COMPOSITION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
9290Interchangeable
interchangeable cross-reference
interchangeable
85784BInterchangeable
interchangeable cross-reference
interchangeable
17291Interchangeable
interchangeable cross-reference
interchangeable
892XInterchangeable
interchangeable cross-reference
interchangeable
9290 PC 5Interchangeable
interchangeable cross-reference
interchangeable
9290 PC. NO. 5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1701-H 8IN?
1701-H 8IN is a VALVE,SAFETY RELIEF.
What parts can replace 1701-H 8IN?
There are 10 known substitutes for 1701-H 8IN: 9290, 85784B, 17291 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1701-H 8IN?
1701-H 8IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-532-2589. 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: July 2026