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PartsTable / COMPONENT / 74J508003
74J508003 ✓ 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,PRESSURE ACTUATED DRAIN is a the manufacturer industrial component. Key specifications include width: 1.500 INCHES NOMINAL IN, height: 0.500 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING, overall_length: 1.500 INCHES NOMINAL IN, valve_type_for_which_designed: CHECK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-160-4977, 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
74J508003
NSN: 4820-01-160-4977
FSC: 4820
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
width1.500 INCHES NOMINAL IN
height0.500 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING
overall_length1.500 INCHES NOMINAL IN
valve_type_for_which_designedCHECK
NSN4820-01-160-4977
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 74J508003 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 1.500 IN. SQ;0.500 IN. H;4 MTG HOLES 0.205 IN. DIA;C TO C DISTANCE BETWEEN HOLES ALONG LG AND W 1.000 IN.;OPERATING MEDIA HIGH TEMP AIR AND LOW TEMP WATER;OPERATING RANGE OPEN AT 4 PSIG,CLOSE AT 10 PSIG;MAX TEMP 1000.0 F;MAX OP 165 PSIG;STAINLESS STEEL;PASSIVATE PER MIL-S-5002 IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTION1.500 IN. SQ;0.500 IN. H;4 MTG HOLES 0.205 IN. DIA;C TO C DISTANCE BETWEEN HOLES ALONG LG AND W 1.000 IN.;OPERATING MEDIA HIGH TEMP AIR AND LOW TEMP WATER;OPERATING RANGE OPEN AT 4 PSIG,CLOSE AT 10 PSIG;MAX TEMP 1000.0 F;MAX OP 165 PSIG;STAINLESS STEEL;PASSIVATE PER MIL-S-5002 IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
121-001Interchangeable
interchangeable cross-reference
interchangeable
301-000C0G0508C-600VDCInterchangeable
interchangeable cross-reference
interchangeable
301-00000K0508CInterchangeable
interchangeable cross-reference
interchangeable
T1000D21Interchangeable
interchangeable cross-reference
interchangeable
GS69B96-1Interchangeable
interchangeable cross-reference
interchangeable
SM-D-623916Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 74J508003?
74J508003 is a VALVE,PRESSURE ACTUATED DRAIN.
What parts can replace 74J508003?
There are 18 known substitutes for 74J508003: 121-001, 301-000C0G0508C-600VDC, 301-00000K0508C and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 74J508003?
74J508003 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-160-4977. 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