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NAS121 — NAS121

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

NAS121: NAS121.

The NAS121 is a the manufacturer industrial component. Key specifications include material: PLASTIC, inside_width: 0.125 INCHES NOMINAL IN, inside_length: 0.625 INCHES NOMINAL IN, overall_depth: 0.938 INCHES NOMINAL IN, outside_diameter: 1.000 INCHES MAXIMUM IN, screw_drive_type: CROSS RECESS TYPE 1. This part is cataloged in the U.S.

Government catalog under NSN 5355-00-484-1836, 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
NAS121
NSN: 5355-00-484-1836
NIINs: 004841836, 006199013, 006679155, 006681331, 006684892, 006694866, 006694867, 008382830, 008993289
FSC: 5355 — Knobs and Pointers
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialPLASTIC
inside_width0.125 INCHES NOMINAL IN
inside_length0.625 INCHES NOMINAL IN
overall_depth0.938 INCHES NOMINAL IN
outside_diameter1.000 INCHES MAXIMUM IN
screw_drive_typeCROSS RECESS TYPE 1
special_featuresWEAPON SYSTEM ESSENTIAL
style_designatorBALL
attachment_methodSCREW ON
nominal_thread_size0.190 INCHES RECEPTACLE IN
setscrew_hole_quantity1
thread_quantity_per_inch32 RECEPTACLE
NSN5355-00-484-1836
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available NAS121 TITLE COMPONENT PN NAS121 MFR NAS121
KEY FEATURES
•
SHAFT ACCOMMODATION STYLE: ROUND
•
STYLE DESIGNATOR: BALL
•
OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
GRIPPING SURFACE CONDITION: SMOOTH
•
MATERIAL: PLASTIC CELLULOSE ACETATE BUTYRATE
•
ATTACHMENT METHOD: SCREW ON
TECHNICAL CHARACTERISTICS
SHAFT ACCOMMODATION STYLEROUND
STYLE DESIGNATORBALL
OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
GRIPPING SURFACE CONDITIONSMOOTH
MATERIALPLASTIC CELLULOSE ACETATE BUTYRATE
ATTACHMENT METHODSCREW ON
OVERALL DEPTH0.500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
NAS121A125Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NAS121?
NAS121 is a NAS121.
What parts can replace NAS121?
There is 1 known substitute for NAS121: NAS121A125. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS121?
NAS121 is cataloged in the U.S. Government catalog under NSN 5355-00-484-1836. 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.