PartsTable
Technical Data Sheet
1535-1SIZE1 1-2 ✓ 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 OVERALL, bonnet_type: INSIDE SPRING, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, style_designator: ANGLE, thread_direction: RIGHT-HAND ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-814-1957, 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
1535-1SIZE1 1-2
NSN: 4820-00-814-1957
FSC: 4820
CAGE: 03352 — RICHARDS R W CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
bonnet_typeINSIDE SPRING
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designatorANGLE
thread_directionRIGHT-HAND ALL ENDS
features_providedPRESSURE TIGHT OUTLET SIDE
operating_pressure4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
nominal_thread_size1.500 INCHES ALL ENDS IN
maximum_operating_temp200.0 FAHRENHEIT SINGLE RESPONSE DEGF
NSN4820-00-814-1957
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 1535-1SIZE1 1-2 · 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
FEATURES PROVIDED: PRESSURE TIGHT OUTLET SIDE
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
THREAD DIRECTION: RIGHT-HAND ALL ENDS
MAXIMUM OPERATING TEMP: 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
VALVE OPERATION METHOD: AUTOMATIC
STYLE DESIGNATOR: ANGLE
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SINGLE RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MAXIMUM OPERATING TEMP200.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORANGLE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
THREAD SERIES DESIGNATORNPT ALL ENDS
VALVE DISCHARGE FLOW RATE314.0 GALLONS PER MINUTE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
153-51Interchangeable
interchangeable cross-reference
interchangeable
B152970Interchangeable
interchangeable cross-reference
interchangeable
T-8-3-635Interchangeable
interchangeable cross-reference
interchangeable
D42042PC11Interchangeable
interchangeable cross-reference
interchangeable
T8-3-695Interchangeable
interchangeable cross-reference
interchangeable
D42042PC11-39-3-8INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 1535-1SIZE1 1-2?
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 1535-1SIZE1 1-2?
1535-1SIZE1 1-2 is a VALVE,SAFETY RELIEF.
What parts can replace 1535-1SIZE1 1-2?
There are 10 known substitutes for 1535-1SIZE1 1-2: 153-51, B152970, T-8-3-635 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1535-1SIZE1 1-2?
1535-1SIZE1 1-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-814-1957. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1535-1SIZE1 1-2