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78-978 — KEYTOP,KEYBOARD

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

78-978: KEYTOP,KEYBOARD.

The KEYTOP,KEYBOARD is a the manufacturer industrial component. Key specifications include material: METAL, inscription: LINE FEED, overall_height: 0.500 INCHES NOMINAL IN, overall_diameter: 0.5468 INCHES MINIMUM AND 0.6406 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5815-00-125-8293, 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→ 78-978
NSN: 5815-00-125-8293
NIINs: 001258293, 009715221, 011348021, 015950675
FSC: 5815 — Teletype and Facsimile Equipment
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
materialMETAL
inscriptionLINE FEED
overall_height0.500 INCHES NOMINAL IN
overall_diameter0.5468 INCHES MINIMUM AND 0.6406 INCHES MAXIMUM IN
NSN5815-00-125-8293
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available KEYTOP,KEYBOARD TITLE COMPONENT PN 78-978 MFR KEYTOP,KEYBOARD
KEY FEATURES
•
OVERALL DIAMETER: 0.5468 INCHES MINIMUM AND 0.6406 INCHES MAXIMUM IN
•
COLOR: BLACK AND GREEN
•
INSCRIPTION: LINE FEED
•
MATERIAL: METAL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.500 INCHES NOMINAL IN
OVERALL DIAMETER0.5468 INCHES MINIMUM AND 0.6406 INCHES MAXIMUM IN
COLORBLACK AND GREEN
INSCRIPTIONLINE FEED
MATERIALMETAL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 78-978?
78-978 is a KEYTOP,KEYBOARD. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 78-978?
78-978 is cataloged in the U.S. Government catalog under NSN 5815-00-125-8293. 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.