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5187990 — SUPPORT,WAVEGUIDE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

5187990: SUPPORT,WAVEGUIDE.

The SUPPORT,WAVEGUIDE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_height: 0.562 INCHES NOMINAL IN, thread_length: 0.468 INCHES NOMINAL EXTERNAL IN, overall_length: 1.125 INCHES NOMINAL IN, connection_style: PLAIN, style_designator: PLUG, MACHINE. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-518-7990, 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
5187990
NSN: 5365-00-518-7990
NIINs: 005187990, 013657357
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_height0.562 INCHES NOMINAL IN
thread_length0.468 INCHES NOMINAL EXTERNAL IN
overall_length1.125 INCHES NOMINAL IN
connection_stylePLAIN
style_designatorPLUG, MACHINE
thread_directionRIGHT-HAND EXTERNAL
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.688 INCHES EXTERNAL IN
thread_pitch_diameters+0.6437 TO 0.6469 INCHES EXTERNAL IN
thread_quantity_per_inch16 EXTERNAL
thread_series_designatorUNS EXTERNAL
NSN5365-00-518-7990
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SUPPORT,WAVEGUIDE TITLE COMPONENT PN 5187990 MFR SUPPORT,WAVEGUIDE
KEY FEATURES
•
HEAD HEIGHT: 0.562 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: PLAIN
•
THREAD LENGTH: 0.468 INCHES NOMINAL EXTERNAL IN
•
STYLE DESIGNATOR: PLUG, MACHINE
•
THREAD PITCH DIAMETERS: +0.6437 TO 0.6469 INCHES EXTERNAL IN
•
THREAD DIRECTION: RIGHT-HAND EXTERNAL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.562 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEPLAIN
THREAD LENGTH0.468 INCHES NOMINAL EXTERNAL IN
STYLE DESIGNATORPLUG, MACHINE
THREAD PITCH DIAMETERS+0.6437 TO 0.6469 INCHES EXTERNAL IN
OVERALL LENGTH1.125 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND EXTERNAL
NOMINAL THREAD SIZE0.688 INCHES EXTERNAL IN
SURFACE TREATMENTCADMIUM OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
0034042Reference document
Same NSN cross-reference
Reference document — Secondary reference
034042Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
0034042-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5187990?
5187990 is a SUPPORT,WAVEGUIDE.
What parts can replace 5187990?
There are 3 known substitutes for 5187990: 0034042, 034042, 0034042-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 5187990?
5187990 is cataloged in the U.S. Government catalog under NSN 5365-00-518-7990. 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.