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638-9956-001 — COVER,FUSE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

638-9956-001: COVER,FUSE.

The COVER,FUSE is a the manufacturer industrial component. Key specifications include material: PLASTIC, overall_width: 0.975 INCHES NOMINAL IN, overall_height: 0.425 INCHES NOMINAL IN, overall_length: 1.206 INCHES NOMINAL IN, special_markings: FUSE, fsc_application_data: TRANSMITTER ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 5920-01-160-9260, 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
MRO→ MRO_GENERAL→ 638-9956-001
NSN: 5920-01-160-9260
FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialPLASTIC
overall_width0.975 INCHES NOMINAL IN
overall_height0.425 INCHES NOMINAL IN
overall_length1.206 INCHES NOMINAL IN
special_markingsFUSE
fsc_application_dataTRANSMITTER ASSEMBLY
end_item_identificationAN/ARC-186,5821-01-086-6243
NSN5920-01-160-9260
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COVER,FUSE TITLE COMPONENT PN 638-9956-001 MFR COVER,FUSE
KEY FEATURES
•
FSC APPLICATION DATA: TRANSMITTER ASSEMBLY
•
SPECIAL MARKINGS: FUSE
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.425 INCHES NOMINAL IN
FSC APPLICATION DATATRANSMITTER ASSEMBLY
OVERALL LENGTH1.206 INCHES NOMINAL IN
OVERALL WIDTH0.975 INCHES NOMINAL IN
END ITEM IDENTIFICATIONAN/ARC-186,5821-01-086-6243
SPECIAL MARKINGSFUSE
MATERIALPLASTIC
OTHER ITEMS IN FSC 5920 — Fuses, Arrestors, Absorbers, and Protectors
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5920-00-001-3111 5920-00-001-3260 5920-00-001-3261 5920-00-001-3262 5920-00-001-3263 5920-00-001-3264 5920-00-001-3296 5920-00-001-3840
SUBSTITUTES & CROSS-REFERENCES 1
638-9956Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 638-9956-001?
638-9956-001 is a COVER,FUSE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 638-9956-001?
There is 1 known substitute for 638-9956-001: 638-9956. Substitute compatibility should be verified for your specific system.
What is the NSN for 638-9956-001?
638-9956-001 is cataloged in the U.S. Government catalog under NSN 5920-01-160-9260. 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.