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377361 — GEAR,INTERNAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

377361: GEAR,INTERNAL.

The GEAR,INTERNAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OVERALL, bore_style: INVOLUTE SPLINE BOTH ENDS, tooth_form: STUB, pitch_diameter: 5.2500 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 168. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-215-7372, 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
377361
NSN: 4820-00-215-7372
NIINs: 002157372, 009144716
FSC: 4820 — Valves, Nonpowered
CAGE: 14892 — BENDIX CORP THE BRAKE AND STEERING DIV (USA)
SPECIFICATIONS
materialSTEEL COMP E4340 OVERALL
bore_styleINVOLUTE SPLINE BOTH ENDS
tooth_formSTUB
pitch_diameter5.2500 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity168
spline_quantity35 BOTH ENDS
spline_pitch_diameter1.7500 INCHES NOMINAL BOTH ENDS IN
material_document_and_classificationMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4820-00-215-7372
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 377361 · 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: RUBBER PACKING
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
MATERIALRUBBER PACKING
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 5
516179Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
9-802-100137Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
07-864758Reference document
Same NSN cross-reference
Reference document — Secondary reference
864758Reference document
Same NSN cross-reference
Reference document — Secondary reference
17A377361Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 377361?
377361 is a GEAR,INTERNAL.
What parts can replace 377361?
There are 5 known substitutes for 377361: 516179, 9-802-100137, 07-864758 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 377361?
377361 is cataloged in the U.S. Government catalog under NSN 4820-00-215-7372. 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.