PartsTable
Technical Data Sheet
28121-1500PSI ✓ 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 height: 0.718 INCHES NOMINAL IN, diameter: 0.680 INCHES NOMINAL IN, material: PAPER FILTERING MEDIUM, case_style: SQUARE, head_style: FLAT COUNTERSUNK, joint_type: SCARF-PERIPHERAL TOP RING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-014-3335, 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
28121-1500PSI
NSN: 4820-01-014-3335
FSC: 4820
CAGE: 5RQL2 — DRS ENVIRONMENTAL SYSTEMS INC (USA)
SPECIFICATIONS
height0.718 INCHES NOMINAL IN
diameter0.680 INCHES NOMINAL IN
materialPAPER FILTERING MEDIUM
case_styleSQUARE
head_styleFLAT COUNTERSUNK
joint_typeSCARF-PERIPHERAL TOP RING
seal_width0.250 INCHES NOMINAL IN
design_typeNONREUSABLE
temp_rating-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
venier_scaleNOT INCLUDED
body_diameter5.703 INCHES MINIMUM AND 5.718 INCHES MAXIMUM IN
overall_height4.000 INCHES NOMINAL IN
NSN4820-01-014-3335
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 28121-1500PSI · 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 15
173074Interchangeable
interchangeable cross-reference
interchangeable
28121Interchangeable
interchangeable cross-reference
interchangeable
D139Interchangeable
interchangeable cross-reference
interchangeable
1761-0375Interchangeable
interchangeable cross-reference
interchangeable
HDA-4046Interchangeable
interchangeable cross-reference
interchangeable
6723Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28121-1500PSI?
28121-1500PSI is a VALVE,SAFETY RELIEF.
What parts can replace 28121-1500PSI?
There are 15 known substitutes for 28121-1500PSI: 173074, 28121, D139 and 12 more. Substitute compatibility should be verified for your specific system.
Is 28121-1500PSI still available?
28121-1500PSI is currently cancelled.
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