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2CT231 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2CT231: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: MODIFIED PAN, head_height: 0.068 INCHES NOMINAL IN, head_diameter: 0.219 INCHES NOMINAL IN, thread_length: 0.750 INCHES NOMINAL IN, screw_material: STEEL, fastener_length: 0.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-561-1380, 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
2CT231
NSN: 5305-01-561-1380
FSC: 5305 — Screws
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
head_styleMODIFIED PAN
head_height0.068 INCHES NOMINAL IN
head_diameter0.219 INCHES NOMINAL IN
thread_length0.750 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length0.750 INCHES NOMINAL IN
hardness_rating80.0 ROCKWELL B NOMINAL
special_featuresTHREAD SIZE 4-40, CLASS 2A A
thread_directionRIGHT-HAND
internal_drive_styleSLOT
minimum_tensile_strength72000 POUNDS PER SQUARE INCH LBS
part_name_assigned_by_controlling_agencyPAN HEAD SLOTTED MACHINE SCREW
NSN5305-01-561-1380
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2CT231 · 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: 0.068 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
THREAD LENGTH: 0.750 INCHES NOMINAL IN
•
HARDNESS RATING: 80.0 ROCKWELL B NOMINAL
•
HEAD STYLE: MODIFIED PAN
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.068 INCHES NOMINAL IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
THREAD LENGTH0.750 INCHES NOMINAL IN
HARDNESS RATING80.0 ROCKWELL B NOMINAL
HEAD STYLEMODIFIED PAN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
SPECIAL FEATURESTHREAD SIZE 4-40, CLASS 2A A
MINIMUM TENSILE STRENGTH72000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLESLOT
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
7111040611Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 2CT231?
2CT231 is a SCREW,MACHINE.
What parts can replace 2CT231?
There is 1 known substitute for 2CT231: 7111040611. Substitute compatibility should be verified for your specific system.
What is the NSN for 2CT231?
2CT231 is cataloged in the U.S. Government catalog under NSN 5305-01-561-1380. 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.