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Technical Data Sheet
PartsTable / COMPONENT / 378-002
378-002 ✓ 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

BLADE,FUNCTION BAIL,TELETYPEWRIT. Key specifications include special_features: MIN SURF. HARDNESS RC 60.0, style_designator: BALL, rolling_element_diameter: 0.4375 INCHES NOMINAL IN, standard_tolerance_designation: AFBMA STD TOLERANCE FOR BALLS, GRADE 200, material_document_and_classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-051-6799, 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
378-002
NSN: 4820-00-051-6799
FSC: 4820
CAGE: 99193 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - PHOENIX (USA)
SPECIFICATIONS
special_featuresMIN SURF. HARDNESS RC 60.0
style_designatorBALL
rolling_element_diameter0.4375 INCHES NOMINAL IN
standard_tolerance_designationAFBMA STD TOLERANCE FOR BALLS, GRADE 200
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
NSN4820-00-051-6799
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 378-002 · 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
•
MAXIMUM OPERATING TEMP: 600.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
VALVE OPERATION METHOD: MANUAL
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
•
OPERATING PRESSURE: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES ALL ENDS IN
•
NOMINAL THREAD SIZE: 0.562 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OPERATING TEMP600.0 FAHRENHEIT SINGLE RESPONSE DEGF
VALVE OPERATION METHODMANUAL
STYLE DESIGNATORSTRAIGHT THRU
MATERIALSTEEL CORROSION RESISTING OVERALL
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
OPERATING PRESSURE100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES ALL ENDS IN
NOMINAL THREAD SIZE0.562 INCHES ALL ENDS IN
SEAT ANGLE37.0 DEGREES ALL ENDS
FEATURES PROVIDEDPRESSURE TIGHT OUTLET SIDE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
27800Interchangeable
Cablestogo 1ft Cat6 Snagless Utp Cable-Purple
interchangeable
37800-2Interchangeable
interchangeable cross-reference
interchangeable
37800Interchangeable
interchangeable cross-reference
interchangeable
378-015Interchangeable
interchangeable cross-reference
interchangeable
10326Interchangeable
interchangeable cross-reference
interchangeable
378-0015-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 378-002?
378-002 is a BLADE,FUNCTION BAIL,TELETYPEWRIT.
What parts can replace 378-002?
There are 12 known substitutes for 378-002: 27800, 37800-2, 37800 and 9 more. Substitute compatibility should be verified for your specific system.
Is 378-002 still available?
378-002 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026