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20423-001 — HOUSING,BEARING UNIT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20423-001: HOUSING,BEARING UNIT.

The HOUSING,BEARING UNIT is a the manufacturer industrial component. Key specifications include bore_diameter: 1.2500 INCHES MINIMUM AND 1.2700 INCHES MAXIMUM IN, surface_treatment: ANODIZE OVERALL, end_item_identification: F-16C/D COMMON, surface_treatment_document_and_classification: MIL-A-8625,TYPE I,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-058-2025, 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
20423-001
NSN: 4820-01-058-2025
NIINs: 010582025, 010996692, 010998455, 011002235, 012694065
FSC: 4820 — Valves, Nonpowered
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
bore_diameter1.2500 INCHES MINIMUM AND 1.2700 INCHES MAXIMUM IN
surface_treatmentANODIZE OVERALL
end_item_identificationF-16C/D COMMON
surface_treatment_document_and_classificationMIL-A-8625,TYPE I,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN4820-01-058-2025
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20423-001 · 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
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REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: SELECTED,TESTED AND CERTIFIED FOR TRIDENT SUBMARINE APPLICATION
TECHNICAL CHARACTERISTICS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSSELECTED,TESTED AND CERTIFIED FOR TRIDENT SUBMARINE APPLICATION
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 20423-001?
20423-001 is a HOUSING,BEARING UNIT.
What is the NSN for 20423-001?
20423-001 is cataloged in the U.S. Government catalog under NSN 4820-01-058-2025. 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.