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551BK ✓ 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

The COPYHOLDER,TYPIST'S is a the manufacturer industrial component. Key specifications include design_type: SIDE READING, holder_width: 9.750 INCHES NOMINAL IN, adjustment_type: AUTOMATIC, structural_form: RIGID, mechanical_adjustment_type: FLAT READING PLATE, nondefinitive_spec/std_data: III TYPE AND 2 CLASS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7520-00-754-2554, 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
551BK
NSN: 7520-00-754-2554
FSC: 7520
CAGE: 86017 — OXFORD PENDAFLEX CORP (USA)
SPECIFICATIONS
design_typeSIDE READING
holder_width9.750 INCHES NOMINAL IN
adjustment_typeAUTOMATIC
structural_formRIGID
mechanical_adjustment_typeFLAT READING PLATE
nondefinitive_spec/std_dataIII TYPE AND 2 CLASS
NSN7520-00-754-2554
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COPYHOLDER,TYPIST'S TITLE COMPONENT PN 551BK MFR COPYHOLDER,TYPIST'S
KEY FEATURES
•
ADJUSTMENT TYPE: AUTOMATIC
•
HOLDER WIDTH: 9.750 INCHES NOMINAL IN
•
STRUCTURAL FORM: RIGID
•
NONDEFINITIVE SPEC/STD DATA: III TYPE AND 2 CLASS
•
DESIGN TYPE: SIDE READING
•
MECHANICAL ADJUSTMENT TYPE: FLAT READING PLATE
TECHNICAL CHARACTERISTICS (FLIS)
ADJUSTMENT TYPEAUTOMATIC
HOLDER WIDTH9.750 INCHES NOMINAL IN
STRUCTURAL FORMRIGID
NONDEFINITIVE SPEC/STD DATAIII TYPE AND 2 CLASS
DESIGN TYPESIDE READING
MECHANICAL ADJUSTMENT TYPEFLAT READING PLATE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
900-150X-042WNInterchangeable
interchangeable cross-reference
interchangeable
CG04CCSN110Interchangeable
interchangeable cross-reference
interchangeable
569A831P2Interchangeable
interchangeable cross-reference
interchangeable
C0PEEEZInterchangeable
Copyholder,typist's
interchangeable
GG-C-590Interchangeable
Copyholder,typist's
interchangeable
3815-35Interchangeable
Copyholder,typist's
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 551BK?
551BK is a COPYHOLDER,TYPIST'S.
What parts can replace 551BK?
There are 7 known substitutes for 551BK: 900-150X-042WN, CG04CCSN110, 569A831P2 and 4 more. Substitute compatibility should be verified for your specific system.
Is 551BK still available?
551BK 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