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XPC78521 — XPC78521

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

XPC78521: XPC78521.

The XPC78521 is a the manufacturer industrial component. Key specifications include material: COPPER CONTACT, pin_diameter: 0.040 INCHES NOMINAL IN, overall_length: 0.875 INCHES NOMINAL IN, mounting_method: FORCE FIT, overall_diameter: 0.115 INCHES NOMINAL IN, style_designator: PIN CONTACT. This part is cataloged in the U.S.

Government catalog under NSN 5999-00-119-3154, 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→ XPC78521
NSN: 5999-00-119-3154
FSC: 5999 — Miscellaneous Electrical and Electronic Components
CAGE: 09344 — ROCKWELL COLLINS, INC. DBA RC DISPLAYS SYSTEMS (USA)
SPECIFICATIONS
materialCOPPER CONTACT
pin_diameter0.040 INCHES NOMINAL IN
overall_length0.875 INCHES NOMINAL IN
mounting_methodFORCE FIT
overall_diameter0.115 INCHES NOMINAL IN
style_designatorPIN CONTACT
precious_materialGOLD AND SILVER
surface_treatmentGOLD AND SILVER BODY
current_rating_in_amps3.0
cable_entrance_diameter0.063 INCHES NOMINAL IN
terminal_type_and_quantity1 CRIMP AXIALLY AT ONE END
precious_material_and_weight0.005 GOLD GRAINS, TROY AND 0.005 SILVER GRAINS, TROY
NSN5999-00-119-3154
COMPONENT DIAGRAM
CONN A SFF-8482 CONN B SFF-8087 LENGTH: SAS CABLE ASSEMBLY | SFF-8482 to SFF-8087 Cable length: | SAS | Shielded TITLE CABLE ASSY PN XPC78521 MFR XPC78521
KEY FEATURES
•
PIN DIAMETER: 0.040 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.115 INCHES NOMINAL IN
•
PRECIOUS MATERIAL: GOLD AND SILVER
•
MOUNTING METHOD: FORCE FIT
•
STYLE DESIGNATOR: PIN CONTACT
•
PRECIOUS MATERIAL AND WEIGHT: 0.005 GOLD GRAINS, TROY AND 0.005 SILVER GRAINS, TROY
•
SURFACE TREATMENT: GOLD AND SILVER CONTACT
TECHNICAL CHARACTERISTICS
PIN DIAMETER0.040 INCHES NOMINAL IN
OVERALL DIAMETER0.115 INCHES NOMINAL IN
PRECIOUS MATERIALGOLD AND SILVER
MOUNTING METHODFORCE FIT
STYLE DESIGNATORPIN CONTACT
PRECIOUS MATERIAL AND WEIGHT0.005 GOLD GRAINS, TROY AND 0.005 SILVER GRAINS, TROY
OVERALL LENGTH0.875 INCHES NOMINAL IN
SURFACE TREATMENTGOLD AND SILVER CONTACT
SURFACE TREATMENTGOLD AND SILVER BODY
PRECIOUS MATERIAL AND LOCATIONBODY AND CONTACT SURFACES GOLD AND BODY AND CONTACT SURFACES SILVER
SUBSTITUTES & CROSS-REFERENCES 1
1246-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is XPC78521?
XPC78521 is a XPC78521. It is classified as a MRO (MRO_GENERAL).
What parts can replace XPC78521?
There is 1 known substitute for XPC78521: 1246-4. Substitute compatibility should be verified for your specific system.
What is the NSN for XPC78521?
XPC78521 is cataloged in the U.S. Government catalog under NSN 5999-00-119-3154. 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.