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Technical Data Sheet
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R-4-A — Technical Data Sheet

✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The COMPUTER SUBASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, body_width: 1.750 INCHES NOMINAL IN, bore_shape: STRAIGHT, blade_shape: CURVED, body_height: 2.750 INCHES NOMINAL IN, body_length: 2.375 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5895-01-349-7687, 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→ R-4-A
NSN: 5895-01-349-7687
FSC: 5895
CAGE: 09097 — WYLE LABORATORIES ELECTRONIC ENCLOSURES DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
body_width1.750 INCHES NOMINAL IN
bore_shapeSTRAIGHT
blade_shapeCURVED
body_height2.750 INCHES NOMINAL IN
body_length2.375 INCHES NOMINAL IN
design_formSINGLE-JOINTED
bore_diameter0.2500 INCHES NOMINAL IN
overall_width0.2187 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
load_directionRADIAL
overall_length6.250 INCHES MINIMUM AND 6.500 INCHES MAXIMUM IN
NSN5895-01-349-7687
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COMPUTER SUBASSEMBLY TITLE COMPONENT PN R-4-A MFR COMPUTER SUBASSEMBLY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
26-0932InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
22-488InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AU6750InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PEI 8861InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
9969535InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M8179304-JG4N2N1PPInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMATSourcing: other
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FREQUENTLY ASKED QUESTIONS
What is R-4-A?
R-4-A is a COMPUTER SUBASSEMBLY. It is classified as a MRO (MRO_GENERAL).
What parts can replace R-4-A?
There are 8 known substitutes for R-4-A: 26-0932, 22-488, AU6750 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R-4-A?
R-4-A is cataloged in the Federal Logistics Information System under NSN 5895-01-349-7687. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026