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PartsTable / COMPONENT / 21363 FIND 4
21363 FIND 4 ✓ 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

The WIRING HARNESS,BRANCHED is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, special_features: USED ON VALVE, SPECIAL SIZE, P/N 21363, attachment_method: BOLTS, surface_treatment: ANODIZE, end_item_identification: SEAWOLF CLASS SSN, material_document_and_classification: ASTM-B211 6061-T651 ASSN STD SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-514-9626, 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
21363 FIND 4
NSN: 4820-01-514-9626
FSC: 4820
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
special_featuresUSED ON VALVE, SPECIAL SIZE, P/N 21363
attachment_methodBOLTS
surface_treatmentANODIZE
end_item_identificationSEAWOLF CLASS SSN
material_document_and_classificationASTM-B211 6061-T651 ASSN STD SINGLE MATERIAL RESPONSE
surface_treatment_document_and_classificationMIL-A-8625, TYPE 1, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
NSN4820-01-514-9626
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21363 FIND 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625, TYPE 1, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
•
SURFACE TREATMENT: ANODIZE
•
ATTACHMENT METHOD: BOLTS
•
MATERIAL: ALUMINUM ALLOY
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-B211 6061-T651 ASSN STD SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TYPE 1, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE
SPECIAL FEATURESUSED ON VALVE, SPECIAL SIZE, P/N 21363
ATTACHMENT METHODBOLTS
MATERIALALUMINUM ALLOY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-B211 6061-T651 ASSN STD SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
21363Interchangeable
interchangeable cross-reference
interchangeable
H21363Interchangeable
interchangeable cross-reference
interchangeable
21FXF183Interchangeable
interchangeable cross-reference
interchangeable
XGD21FXF183Interchangeable
interchangeable cross-reference
interchangeable
394137Interchangeable
interchangeable cross-reference
interchangeable
136947HInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21363 FIND 4?
21363 FIND 4 is a WIRING HARNESS,BRANCHED.
What parts can replace 21363 FIND 4?
There are 16 known substitutes for 21363 FIND 4: 21363, H21363, 21FXF183 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21363 FIND 4?
21363 FIND 4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-514-9626. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026