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S378-4 — PULLEY,GROOVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

S378-4: PULLEY,GROOVE.

The PULLEY,GROOVE is a the manufacturer industrial component. Key specifications include width: 0.375 INCHES NOMINAL IN, length: 0.312 INCHES NOMINAL IN, material: STEEL OVERALL, hole_diameter: 0.144 INCHES NOMINAL IN, overall_height: 0.562 INCHES NOMINAL IN, special_features: HEAT SHRINKABLE SILICON SLEEVE MIL-T-23053 CL 1 OR 4,BLACK. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-289-1992, 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
S378-4
NSN: 4820-00-289-1992
NIINs: 002891992, 009382944, 010519413, 010604779
FSC: 4820 — Valves, Nonpowered
CAGE: 91424 — MCC POWERS PROCESS CONTROLS DIV OF MARK CONTROLS CORP (USA)
SPECIFICATIONS
width0.375 INCHES NOMINAL IN
length0.312 INCHES NOMINAL IN
materialSTEEL OVERALL
hole_diameter0.144 INCHES NOMINAL IN
overall_height0.562 INCHES NOMINAL IN
special_featuresHEAT SHRINKABLE SILICON SLEEVE MIL-T-23053 CL 1 OR 4,BLACK
features_providedCUSHION
surface_treatmentPHOSPHATE OR ZINC OR CHROMATE OR LACQUER OVERALL
material_thickness0.016 INCHES NOMINAL IN
loop/holding_dimension0.250 INCHES NOMINAL IN
distance_from_loop_center_to_end0.374 INCHES NOMINAL IN
material_document_and_classificationQQ-S-666 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4820-00-289-1992
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: S378-4 · 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
•
FIRST END BOLT HOLE QUANTITY: 8
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
BODY STYLE: TEE
•
FACE TO FACE DISTANCE: 9.125 INCHES NOMINAL IN
•
FIRST END FLANGE OUTSIDE DIAMETER: 6.625 INCHES NOMINAL IN
•
FIRST END STYLE DESIGNATOR: PLAIN
•
BULB LENGTH: 20.000 INCHES NOMINAL IN
•
BULB DIAMETER: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FIRST END BOLT HOLE QUANTITY8
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BODY STYLETEE
FACE TO FACE DISTANCE9.125 INCHES NOMINAL IN
FIRST END FLANGE OUTSIDE DIAMETER6.625 INCHES NOMINAL IN
FIRST END STYLE DESIGNATORPLAIN
BULB LENGTH20.000 INCHES NOMINAL IN
BULB DIAMETER1.500 INCHES NOMINAL IN
TEMP RATING120.0 FAHRENHEIT MINIMUM AND 150.0 FAHRENHEIT MAXIMUM DEGF
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.688 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S378-4?
S378-4 is a PULLEY,GROOVE.
What is the NSN for S378-4?
S378-4 is cataloged in the U.S. Government catalog under NSN 4820-00-289-1992. This indicates validated use in U.S. government and defense supply chains.
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