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Technical Data Sheet
PartsTable / COMPONENT / 420-45-1-4
420-45-1-4 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

DUCT ASSEMBLY,AIR CONDITIONING-H. Key specifications include overall_length: 4.000 INCHES NOMINAL IN, thread_location: EXTERNAL, orifice_diameter: 0.031 INCHES NOMINAL IN, special_features: DISPOSABLE,PLASTIC STYLE, bend_angle_in_deg: 45.0, nominal_thread_diameter: 0.250 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-055-4063, 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
420-45-1-4
NSN: 5120-00-055-4063
FSC: 5120
CAGE: 92108 — PRC-DESOTO INTL INC (USA)
SPECIFICATIONS
overall_length4.000 INCHES NOMINAL IN
thread_locationEXTERNAL
orifice_diameter0.031 INCHES NOMINAL IN
special_featuresDISPOSABLE,PLASTIC STYLE
bend_angle_in_deg45.0
nominal_thread_diameter0.250 INCHES IN
screw_thread_series_designatorNPT
tool_operation_type_for_which_designedNONPOWERED
NSN5120-00-055-4063
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DUCT ASSEMBLY,AIR CONDITIONING-H TITLE COMPONENT PN 420-45-1-4 MFR DUCT ASSEMBLY,AIR COND
KEY FEATURES
•
BEND ANGLE IN DEG: 45.0
•
TOOL OPERATION TYPE FOR WHICH DESIGNED: NONPOWERED
•
ORIFICE DIAMETER: 0.031 INCHES NOMINAL IN
•
SCREW THREAD SERIES DESIGNATOR: NPT
•
THREAD LOCATION: EXTERNAL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
BEND ANGLE IN DEG45.0
SPECIAL FEATURESDISPOSABLE,PLASTIC STYLE
TOOL OPERATION TYPE FOR WHICH DESIGNEDNONPOWERED
ORIFICE DIAMETER0.031 INCHES NOMINAL IN
SCREW THREAD SERIES DESIGNATORNPT
THREAD LOCATIONEXTERNAL
NOMINAL THREAD DIAMETER0.250 INCHES IN
OVERALL LENGTH4.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
D1845Interchangeable
interchangeable cross-reference
interchangeable
8327363Interchangeable
interchangeable cross-reference
interchangeable
4-10-45Interchangeable
interchangeable cross-reference
interchangeable
160164-1Interchangeable
interchangeable cross-reference
interchangeable
17768Interchangeable
interchangeable cross-reference
interchangeable
48753Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 420-45-1-4?
420-45-1-4 is a DUCT ASSEMBLY,AIR CONDITIONING-H.
What parts can replace 420-45-1-4?
There are 16 known substitutes for 420-45-1-4: D1845, 8327363, 4-10-45 and 13 more. Substitute compatibility should be verified for your specific system.
Is 420-45-1-4 still available?
420-45-1-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026