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CS20 — CASE,ELECTRONIC COMMUNICATIONS E

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

CS20: CASE,ELECTRONIC COMMUNICATIONS E.

CASE,ELECTRONIC COMMUNICATIONS E. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: HEADLESS (SETSCREW), point_style: DOG, point_length: 0.062 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.375 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-177-5427, 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
MRO→ MRO_GENERAL→ CS20
NSN: 5305-00-177-5427
NIINs: 001775427, 002587995, 004838303, 007134604, 008311123, 011173218, 012011032, 012269457, 012638990, 016591766
FSC: 5305 — Screws
CAGE: 00141 — ROLLER BEARING CO OF AMERICA, INC DIV PIC DESIGN (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleHEADLESS (SETSCREW)
point_styleDOG
point_length0.062 INCHES NOMINAL IN
thread_class3A A
thread_length0.375 INCHES MINIMUM IN
overall_length1.016 INCHES NOMINAL IN
point_diameter0.125 INCHES NOMINAL IN
fastener_length0.438 INCHES NOMINAL IN
overall_diameter0.625 INCHES NOMINAL IN
special_featuresSTAINLESS STEEL TYPE 303,CLEAR PASSIVATED;0.625 IN. ADJ NUTS;TORQUE ADJUSTABLE 10 TO 50 OZ/IN.;HUB 1/2 IN. DIA WITH 6-32 SETSCREW OZ
thread_directionRIGHT-HAND
NSN5305-00-177-5427
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CS20 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
POINT DIAMETER: 0.125 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.125 INCHES NOMINAL IN
•
POINT LENGTH: 0.062 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.438 INCHES NOMINAL IN
•
THREAD LENGTH: 0.375 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: HEADLESS (SETSCREW)
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
POINT DIAMETER0.125 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.125 INCHES NOMINAL IN
POINT LENGTH0.062 INCHES NOMINAL IN
FASTENER LENGTH0.438 INCHES NOMINAL IN
THREAD LENGTH0.375 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEHEADLESS (SETSCREW)
THREAD DIRECTIONRIGHT-HAND
POINT STYLEDOG
SPECIAL FEATURESNYLON POINT
SUBSTITUTES & CROSS-REFERENCES 5
SC8-23Reference document
Same NSN cross-reference
Reference document — Secondary reference
335583-21Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
53051775427Reference document
Same NSN cross-reference
Reference document — Informative reference only
59059-306Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DCS20Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CS20?
CS20 is a CASE,ELECTRONIC COMMUNICATIONS E. It is classified as a MRO (MRO_GENERAL).
What parts can replace CS20?
There are 5 known substitutes for CS20: SC8-23, 335583-21, 53051775427 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CS20?
CS20 is cataloged in the U.S. Government catalog under NSN 5305-00-177-5427. 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.