PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 4-40NC2AX1-4
4-40NC2AX1-4 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: BINDING, head_height: 0.060 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.229 INCHES NOMINAL IN, thread_length: 0.250 INCHES NOMINAL IN, screw_material: STEEL COMP 303. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-270-2893, 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
4-40NC2AX1-4
NSN: 5305-00-270-2893
FSC: 5305
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
head_styleBINDING
head_height0.060 INCHES NOMINAL IN
thread_class2A A
head_diameter0.229 INCHES NOMINAL IN
thread_length0.250 INCHES NOMINAL IN
screw_materialSTEEL COMP 303
fastener_length0.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.112 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch40
NSN5305-00-270-2893
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4-40NC2AX1-4 · 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
•
THREAD QUANTITY PER INCH: 56
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 4S STYLE
•
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE
•
FASTENER LENGTH: 0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD CLASS: 2A A
•
SCREW SURFACE TREATMENT: CADMIUM
•
HEAD DIAMETER: 0.124 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH56
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 4S STYLE
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE
FASTENER LENGTH0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
THREAD CLASS2A A
SCREW SURFACE TREATMENTCADMIUM
HEAD DIAMETER0.124 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
HEAD STYLEFILLISTER
NOMINAL THREAD DIAMETER0.086 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
AN500A10-14Interchangeable
interchangeable cross-reference
interchangeable
AN500Interchangeable
interchangeable cross-reference
interchangeable
FFS92ANDTYPE1ANDSTYLE5SInterchangeable
interchangeable cross-reference
interchangeable
FFS92ANDTYPE1ANDSTYLE5Interchangeable
interchangeable cross-reference
interchangeable
FFS92TYPE1STYLE5SInterchangeable
interchangeable cross-reference
interchangeable
247135Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 4-40NC2AX1-4?
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 4-40NC2AX1-4?
4-40NC2AX1-4 is a SCREW,MACHINE.
What parts can replace 4-40NC2AX1-4?
There are 12 known substitutes for 4-40NC2AX1-4: AN500A10-14, AN500, FFS92ANDTYPE1ANDSTYLE5S and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4-40NC2AX1-4?
4-40NC2AX1-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-270-2893. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 4-40NC2AX1-4

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026