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2921360 — COUPLER,TRANSMISSION LINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2921360: COUPLER,TRANSMISSION LINE.

The COUPLER,TRANSMISSION LINE is a the manufacturer industrial component. Key specifications include unit_type: TRANSMISSION LINE AND WAVEGUIDE, overall_width: 1.630 INCHES NOMINAL IN, overall_height: 2.366 INCHES NOMINAL IN, overall_length: 3.531 INCHES NOMINAL IN, special_features: 30 DB ATTENUATION; ONE COVER FLANGE,ONE CHOKE FLANGE AND ONE CONNECTOR; 4.0 PSIG PRESSURE DB, fsc_application_data: ANTENNAS,WAVEGUIES,AND RELATED EQUIPMENT. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-291-0795, 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
2921360
NSN: 5985-00-291-0795
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
unit_typeTRANSMISSION LINE AND WAVEGUIDE
overall_width1.630 INCHES NOMINAL IN
overall_height2.366 INCHES NOMINAL IN
overall_length3.531 INCHES NOMINAL IN
special_features30 DB ATTENUATION; ONE COVER FLANGE,ONE CHOKE FLANGE AND ONE CONNECTOR; 4.0 PSIG PRESSURE DB
fsc_application_dataANTENNAS,WAVEGUIES,AND RELATED EQUIPMENT
mounting_configurationFOUR MTG HOLES 0.156 IN. DIA; FOUR THREADED HOLES IN
end_item_identificationMISSLE GUIDANCE AND TRACKING SET AN/SPG-55B
NSN5985-00-291-0795
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COUPLER,TRANSMISSION LINE TITLE COMPONENT PN 2921360 MFR COUPLER,TRANSMISSION L
KEY FEATURES
•
FSC APPLICATION DATA: ANTENNAS,WAVEGUIES,AND RELATED EQUIPMENT
•
UNIT TYPE: TRANSMISSION LINE AND WAVEGUIDE
•
MOUNTING CONFIGURATION: FOUR MTG HOLES 0.156 IN. DIA; FOUR THREADED HOLES IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.366 INCHES NOMINAL IN
FSC APPLICATION DATAANTENNAS,WAVEGUIES,AND RELATED EQUIPMENT
OVERALL LENGTH3.531 INCHES NOMINAL IN
OVERALL WIDTH1.630 INCHES NOMINAL IN
UNIT TYPETRANSMISSION LINE AND WAVEGUIDE
SPECIAL FEATURES30 DB ATTENUATION; ONE COVER FLANGE,ONE CHOKE FLANGE AND ONE CONNECTOR; 4.0 PSIG PRESSURE DB
MOUNTING CONFIGURATIONFOUR MTG HOLES 0.156 IN. DIA; FOUR THREADED HOLES IN
END ITEM IDENTIFICATIONMISSLE GUIDANCE AND TRACKING SET AN/SPG-55B
SUBSTITUTES & CROSS-REFERENCES 1
1052292Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 2921360?
2921360 is a COUPLER,TRANSMISSION LINE.
What parts can replace 2921360?
There is 1 known substitute for 2921360: 1052292. Substitute compatibility should be verified for your specific system.
What is the NSN for 2921360?
2921360 is cataloged in the U.S. Government catalog under NSN 5985-00-291-0795. 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.