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20451-1020 — FERRULE,BRAZING,TUBE FITTING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20451-1020: FERRULE,BRAZING,TUBE FITTING.

The FERRULE,BRAZING,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY, criticality_code_justification: ZZZY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-077-7619, 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
20451-1020
NSN: 4820-01-077-7619
NIINs: 010777619, 013892776
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialTITANIUM ALLOY
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsQUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
NSN4820-01-077-7619
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20451-1020 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONSHIP, OHIO CLASS SSN (TRIDENT); COMBAT SYSTEM SUPPORT EQUIPMENT
SUBSTITUTES & CROSS-REFERENCES 2
20451-400 FIND 9Reference document
Same NSN cross-reference
Reference document — Secondary reference
20326-400 FIND 4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 20451-1020?
20451-1020 is a FERRULE,BRAZING,TUBE FITTING.
What parts can replace 20451-1020?
There are 2 known substitutes for 20451-1020: 20451-400 FIND 9, 20326-400 FIND 4. Substitute compatibility should be verified for your specific system.
What is the NSN for 20451-1020?
20451-1020 is cataloged in the U.S. Government catalog under NSN 4820-01-077-7619. 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.