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PartsTable / COMPONENT / 8500 PIECE 4
8500 PIECE 4 ✓ 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 MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_length: 5.375 INCHES NOMINAL IN, largest_outside_diameter: 0.500 INCHES NOMINAL IN, material_document_and_classification: MIL-N-994 MIL SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-130-1967, 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
8500 PIECE 4
NSN: 4820-01-130-1967
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length5.375 INCHES NOMINAL IN
largest_outside_diameter0.500 INCHES NOMINAL IN
material_document_and_classificationMIL-N-994 MIL SPEC SINGLE MATERIAL RESPONSE
NSN4820-01-130-1967
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8500 PIECE 4 · 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
•
MATERIAL: COPPER ALLOY
•
LARGEST OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-N-994 MIL SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY
LARGEST OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
OVERALL LENGTH5.375 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-N-994 MIL SPEC SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
85004Interchangeable
interchangeable cross-reference
interchangeable
CD54HC4040F3AInterchangeable
interchangeable cross-reference
interchangeable
MM54HC4040J/883Interchangeable
interchangeable cross-reference
interchangeable
91962Interchangeable
interchangeable cross-reference
interchangeable
85004012AInterchangeable
interchangeable cross-reference
interchangeable
8500401FAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8500 PIECE 4?
8500 PIECE 4 is a MICROCIRCUIT,DIGITAL.
What parts can replace 8500 PIECE 4?
There are 11 known substitutes for 8500 PIECE 4: 85004, CD54HC4040F3A, MM54HC4040J/883 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8500 PIECE 4?
8500 PIECE 4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-130-1967. 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