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A-18559 — SHAFT,STRAIGHT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A-18559: SHAFT,STRAIGHT.

The SHAFT,STRAIGHT is a the manufacturer industrial component. Key specifications include FSC APPLICATION DATA: MISC SHIP PARTS. This part is cataloged in the U.S.

Government catalog under NSN 7520-00-442-6499, 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
A-18559
NSN: 7520-00-442-6499
NIINs: 004426499, 013282121
FSC: 7520 — Office Devices and Accessories
CAGE: 08664 — BRISTOL BABCOCK INC INSTRUMENTS-SYSTEMS DIV SUB OF BABCOCK INTL INC (USA)
SPECIFICATIONS
FSC APPLICATION DATAMISC SHIP PARTS
NSN7520-00-442-6499
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SHAFT,STRAIGHT TITLE COMPONENT PN A-18559 MFR SHAFT,STRAIGHT
KEY FEATURES
•
POINT MATERIAL: STEEL
•
PEN POINT TYPE: ROUND SOLID
•
MOUNTING CONFIGURATION: SET SCREW SOCKET FOR ATTACHING TO PEN ARM
TECHNICAL CHARACTERISTICS
POINT MATERIALSTEEL
PEN POINT TYPEROUND SOLID
OVERALL LENGTH0.594 INCHES NOMINAL IN
MOUNTING CONFIGURATIONSET SCREW SOCKET FOR ATTACHING TO PEN ARM
SUBSTITUTES & CROSS-REFERENCES 2
A212157Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
381559-00-5Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A-18559?
A-18559 is a SHAFT,STRAIGHT.
What parts can replace A-18559?
There are 2 known substitutes for A-18559: A212157, 381559-00-5. Substitute compatibility should be verified for your specific system.
What is the NSN for A-18559?
A-18559 is cataloged in the U.S. Government catalog under NSN 7520-00-442-6499. 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.