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PartsTable / COMPONENT / 6987-1-2IN 400-1050PSI
6987-1-2IN 400-1050PSI ✓ 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: STEEL OVERALL, thickness: 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN, body_width: 4.375 INCHES NOMINAL IN, body_height: 5.594 INCHES NOMINAL IN, body_length: 4.500 INCHES NOMINAL IN, temp_rating: -55.0 CELSIUS AND 200.0 CELSIUS DEGC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-266-4221, 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
6987-1-2IN 400-1050PSI
NSN: 4820-01-266-4221
FSC: 4820
CAGE: 88078 — CASHCO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
body_width4.375 INCHES NOMINAL IN
body_height5.594 INCHES NOMINAL IN
body_length4.500 INCHES NOMINAL IN
temp_rating-55.0 CELSIUS AND 200.0 CELSIUS DEGC
body_diameter0.135 INCHES NOMINAL IN
end_item_nameTRUCK
hole_diameter0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
terminal_typeTAB, SOLDER LUG
conductor_formSTRANDED SINGLE CONDUCTOR
inclosure_typeHERMETICALLY SEALED
NSN4820-01-266-4221
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6987-1-2IN 400-1050PSI · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
119885Interchangeable
interchangeable cross-reference
interchangeable
6987Interchangeable
interchangeable cross-reference
interchangeable
173-99Interchangeable
interchangeable cross-reference
interchangeable
588724C91Interchangeable
interchangeable cross-reference
interchangeable
H-13700Interchangeable
interchangeable cross-reference
interchangeable
6987-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6987-1-2IN 400-1050PSI?
6987-1-2IN 400-1050PSI is a VALVE,SAFETY RELIEF.
What parts can replace 6987-1-2IN 400-1050PSI?
There are 10 known substitutes for 6987-1-2IN 400-1050PSI: 119885, 6987, 173-99 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6987-1-2IN 400-1050PSI?
6987-1-2IN 400-1050PSI is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-266-4221. 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