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139861H — ELECTRONIC COMPONENTS ASSEMBLY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

139861H: ELECTRONIC COMPONENTS ASSEMBLY.

The ELECTRONIC COMPONENTS ASSEMBLY is a the manufacturer industrial component. Key specifications include seat_angle: 45.0 DEGREES NOMINAL, outside_diameter: 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN, special_features: MATL PER BENDIX WESTINGHOUSE SPEC BW157M, taper_minor_diameter: 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-569-3975, 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
139861H
NSN: 4820-00-569-3975
FSC: 4820 — Valves, Nonpowered
CAGE: 31007 — NAVISTAR INTERNATIONAL CORPORATION DBA NAVISTAR (USA)
SPECIFICATIONS
seat_angle45.0 DEGREES NOMINAL
outside_diameter0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
special_featuresMATL PER BENDIX WESTINGHOUSE SPEC BW157M
taper_minor_diameter0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
NSN4820-00-569-3975
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 139861H · 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
•
OUTSIDE DIAMETER: 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
•
TAPER MINOR DIAMETER: 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
TAPER MINOR DIAMETER0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
SEAT ANGLE45.0 DEGREES NOMINAL
SPECIAL FEATURESMATL PER BENDIX WESTINGHOUSE SPEC BW157M
SUBSTITUTES & CROSS-REFERENCES 6
39BWG6Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
361862Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
12155P11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
180634Reference document
Same NSN cross-reference
Reference document — Secondary reference
169550Reference document
Same NSN cross-reference
Reference document — Secondary reference
201518Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 139861H?
139861H is a ELECTRONIC COMPONENTS ASSEMBLY.
What parts can replace 139861H?
There are 6 known substitutes for 139861H: 39BWG6, 361862, 12155P11 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 139861H?
139861H is cataloged in the U.S. Government catalog under NSN 4820-00-569-3975. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.