PartsTable
Technical Data Sheet
Download PDF

CS128S — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

CS128S: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, head_height: 0.062 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.111 INCHES NOMINAL IN, thread_length: 0.847 INCHES MINIMUM IN, screw_material: STEEL CORROSION RESISTING. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-044-6436, 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
CS128S
NSN: 5305-01-044-6436
FSC: 5305 — Screws
CAGE: 32212 — OLYMPUS AMERICA INC (USA)
SPECIFICATIONS
head_styleFILLISTER
head_height0.062 INCHES NOMINAL IN
thread_class2A A
head_diameter0.111 INCHES NOMINAL IN
thread_length0.847 INCHES MINIMUM IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.875 INCHES MINIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.073 INCHES IN
thread_quantity_per_inch72
thread_series_designatorUNF
NSN5305-01-044-6436
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: CS128S · 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
•
HEAD HEIGHT: 0.062 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.875 INCHES MINIMUM IN
•
THREAD LENGTH: 0.847 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.073 INCHES IN
•
HEAD STYLE: FILLISTER
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL CORROSION RESISTING
•
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.062 INCHES NOMINAL IN
FASTENER LENGTH0.875 INCHES MINIMUM IN
THREAD LENGTH0.847 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.073 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL CORROSION RESISTING
INTERNAL DRIVE STYLESLOT
THREAD CLASS2A A
THREAD QUANTITY PER INCH72
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 1
655-509-9126Same 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
Ready to buy CS128S?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is CS128S?
CS128S is a SCREW,MACHINE.
What parts can replace CS128S?
There is 1 known substitute for CS128S: 655-509-9126. Substitute compatibility should be verified for your specific system.
What is the NSN for CS128S?
CS128S is cataloged in the U.S. Government catalog under NSN 5305-01-044-6436. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — CS128S

✓ 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.