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Technical Data Sheet
PartsTable / COMPONENT / W-R-550A
W-R-550A ✓ Verified by PartsTable
— · COMPONENT
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

OSCILLATOR,NONCRYSTAL CONTROLLED. Key specifications include diameter: 0.625 INCHES IN, material: STEEL, point_shape: CONICAL, thread_class: 1A A, overall_length: 108.000 INCHES IN, style_designator: SECTIONAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5975-00-878-3791, 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
W-R-550A
NSN: 5975-00-878-3791
FSC: 5975
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
diameter0.625 INCHES IN
materialSTEEL
point_shapeCONICAL
thread_class1A A
overall_length108.000 INCHES IN
section_quantity3
style_designatorSECTIONAL
surface_treatmentCOPPER
ground_wire_length72.000 INCHES IN
wire_termination_typeTERMINAL LUG WITH HOLE
ground_wire_accommodationSEPARABLE CLAMP
nondefinitive_spec/std_dataII TYPE
NSN5975-00-878-3791
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available OSCILLATOR,NONCRYSTAL CONTROLLED TITLE COMPONENT PN W-R-550A MFR OSCILLATOR,NONCRYSTAL
KEY FEATURES
•
NONDEFINITIVE SPEC/STD DATA: II TYPE
•
STYLE DESIGNATOR: SECTIONAL
•
GROUND WIRE LENGTH: 72.000 INCHES IN
•
SURFACE TREATMENT: COPPER
•
ACCOMMODATED CONDUCTOR WIRE CONSTRUCTION: STRANDED
•
THREAD CLASS: 1A A
•
TERMINAL LUG HOLE MINIMUM DIAMETER: 0.281 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATAII TYPE
STYLE DESIGNATORSECTIONAL
GROUND WIRE LENGTH72.000 INCHES IN
SURFACE TREATMENTCOPPER
ACCOMMODATED CONDUCTOR WIRE CONSTRUCTIONSTRANDED
THREAD CLASS1A A
TERMINAL LUG HOLE MINIMUM DIAMETER0.281 INCHES IN
OVERALL LENGTH108.000 INCHES IN
SECTION QUANTITY3
DIAMETER0.625 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
A10-4Interchangeable
interchangeable cross-reference
interchangeable
SAM210PC6Interchangeable
interchangeable cross-reference
interchangeable
4130053Interchangeable
interchangeable cross-reference
interchangeable
3-598Interchangeable
interchangeable cross-reference
interchangeable
2943-A30Interchangeable
interchangeable cross-reference
interchangeable
13763Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W-R-550A?
W-R-550A is a OSCILLATOR,NONCRYSTAL CONTROLLED.
What parts can replace W-R-550A?
There are 24 known substitutes for W-R-550A: A10-4, SAM210PC6, 4130053 and 21 more. Substitute compatibility should be verified for your specific system.
Is W-R-550A still available?
W-R-550A is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026