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Technical Data Sheet
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1389382 ✓ 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

The WAVEGUIDE ASSEMBLY is a the manufacturer industrial component. Key specifications include flexibility: RIGID SINGLE TUBING SEGMENT, style_designator: STRAIGHT TYPE, waveguide_length: 1.980 INCHES MINIMUM AND 2.020 INCHES MAXIMUM IN, surface_treatment: CHROMATE AND PAINT ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES, operating_pressure: 14.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS, fsc_application_data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-250-6107, 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
1389382
NSN: 5985-01-250-6107
FSC: 5985
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
flexibilityRIGID SINGLE TUBING SEGMENT
flange_quantity2
style_designatorSTRAIGHT TYPE
waveguide_length1.980 INCHES MINIMUM AND 2.020 INCHES MAXIMUM IN
surface_treatmentCHROMATE AND PAINT ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
operating_pressure14.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
fsc_application_dataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
end_item_identificationMISSLE GUIDANCE AND TRACKING SET,AN/SPG-55B
cross-sectional_shape_styleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
tubing_wall_construction_styleSEAMLESS SINGLE TUBING SEGMENT
NSN5985-01-250-6107
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WAVEGUIDE ASSEMBLY TITLE COMPONENT PN 1389382 MFR WAVEGUIDE ASSEMBLY
KEY FEATURES
•
STYLE DESIGNATOR: STRAIGHT TYPE
•
FLEXIBILITY: RIGID SINGLE TUBING SEGMENT
•
WAVEGUIDE LENGTH: 1.980 INCHES MINIMUM AND 2.020 INCHES MAXIMUM IN
•
FSC APPLICATION DATA: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
•
OPERATING PRESSURE: 14.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
•
SURFACE TREATMENT: CHROMATE AND PAINT ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
•
FLANGE QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONMISSLE GUIDANCE AND TRACKING SET,AN/SPG-55B
STYLE DESIGNATORSTRAIGHT TYPE
FLEXIBILITYRIGID SINGLE TUBING SEGMENT
WAVEGUIDE LENGTH1.980 INCHES MINIMUM AND 2.020 INCHES MAXIMUM IN
FSC APPLICATION DATAANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
OPERATING PRESSURE14.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
SURFACE TREATMENTCHROMATE AND PAINT ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
FLANGE QUANTITY2
CROSS-SECTIONAL SHAPE STYLEINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
TUBING WALL CONSTRUCTION STYLESEAMLESS SINGLE TUBING SEGMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
B21118Interchangeable
interchangeable cross-reference
interchangeable
979-1B178Interchangeable
interchangeable cross-reference
interchangeable
62562Interchangeable
interchangeable cross-reference
interchangeable
62562AInterchangeable
interchangeable cross-reference
interchangeable
L-73917Interchangeable
interchangeable cross-reference
interchangeable
L-73917-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1389382?
1389382 is a WAVEGUIDE ASSEMBLY.
What parts can replace 1389382?
There are 7 known substitutes for 1389382: B21118, 979-1B178, 62562 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1389382?
1389382 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-250-6107. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026