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A547-721 — A547-721

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A547-721: A547-721.

The A547-721 is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, shank_style: STRAIGHT, outside_diameter: 0.875 INCHES NOMINAL IN, style_designator: ROUND, attachment_method: STUD, overall_thickness: 0.812 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5355-00-889-3405, 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
A547-721
NSN: 5355-00-889-3405
FSC: 5355 — Knobs and Pointers
CAGE: 34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
shank_styleSTRAIGHT
outside_diameter0.875 INCHES NOMINAL IN
style_designatorROUND
attachment_methodSTUD
overall_thickness0.812 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES STUD IN
thread_quantity_per_inch20 STUD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD
gripping_surface_conditionGRIP AID
NSN5355-00-889-3405
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available A547-721 TITLE COMPONENT PN A547-721 MFR A547-721
KEY FEATURES
•
OVERALL THICKNESS: 0.812 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
OUTSIDE DIAMETER: 0.875 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.250 INCHES STUD IN
•
SHANK STYLE: STRAIGHT
•
GRIPPING SURFACE CONDITION: GRIP AID
•
COLOR: NATURAL
•
THREAD QUANTITY PER INCH: 20 STUD
TECHNICAL CHARACTERISTICS
OVERALL THICKNESS0.812 INCHES NOMINAL IN
STYLE DESIGNATORROUND
OUTSIDE DIAMETER0.875 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.250 INCHES STUD IN
SHANK STYLESTRAIGHT
GRIPPING SURFACE CONDITIONGRIP AID
COLORNATURAL
THREAD QUANTITY PER INCH20 STUD
MATERIALSTEEL CORROSION RESISTING
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) STUD
SUBSTITUTES & CROSS-REFERENCES 2
3162Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
547A003162Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A547-721?
A547-721 is a A547-721.
What parts can replace A547-721?
There are 2 known substitutes for A547-721: 3162, 547A003162. Substitute compatibility should be verified for your specific system.
What is the NSN for A547-721?
A547-721 is cataloged in the U.S. Government catalog under NSN 5355-00-889-3405. 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.