PartsTable
Technical Data Sheet
Download PDF

8M502-142 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8M502-142: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include connection_type: THREADED INTERNAL PIPE, features_provided: SPRING RETURN, nominal_thread_size: 0.250 INCHES IN, thread_series_designator: NPT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-383-5210, 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
8M502-142
NSN: 4820-01-383-5210
FSC: 4820 — Valves, Nonpowered
CAGE: 58470 — PARKER-HANNIFIN CORPORATION DBA PNEUMATIC NORTH AMERICA DIV PNEUMATICS NORTH AMERICA (USA)
SPECIFICATIONS
connection_typeTHREADED INTERNAL PIPE
features_providedSPRING RETURN
nominal_thread_size0.250 INCHES IN
flow_pattern_quantity4
end_connection_quantity5
thread_series_designatorNPT
NSN4820-01-383-5210
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8M502-142 · 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
•
CONNECTION TYPE: THREADED INTERNAL PIPE
•
END CONNECTION QUANTITY: 5
•
FEATURES PROVIDED: SPRING RETURN
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD SERIES DESIGNATOR: NPT
•
FLOW PATTERN QUANTITY: 4
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED INTERNAL PIPE
END CONNECTION QUANTITY5
FEATURES PROVIDEDSPRING RETURN
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD SERIES DESIGNATORNPT
FLOW PATTERN QUANTITY4
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
8N502-142Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 8M502-142?
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 8M502-142?
8M502-142 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 8M502-142?
There is 1 known substitute for 8M502-142: 8N502-142. Substitute compatibility should be verified for your specific system.
What is the NSN for 8M502-142?
8M502-142 is cataloged in the U.S. Government catalog under NSN 4820-01-383-5210. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 8M502-142

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.