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Technical Data Sheet
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0406-274 — Technical Data Sheet

✓ 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: FILLISTER, head_height: 0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, thread_length: 0.375 INCHES NOMINAL IN, screw_material: STEEL CORROSION RESISTING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5305-00-282-4432, 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
0406-274
NSN: 5305-00-282-4432
FSC: 5305
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
head_styleFILLISTER
head_height0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
thread_length0.375 INCHES NOMINAL IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.406 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch32
NSN5305-00-282-4432
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0406-274 · 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
•
SCREW SURFACE TREATMENT: PASSIVATE
•
THREAD DIRECTION: RIGHT-HAND
•
INTERNAL DRIVE STYLE: SLOT
•
HEAD DIAMETER: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 4S STYLE
•
FASTENER LENGTH: 0.406 INCHES NOMINAL IN
•
HEAD STYLE: FILLISTER
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTPASSIVATE
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLESLOT
HEAD DIAMETER0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 4S STYLE
FASTENER LENGTH0.406 INCHES NOMINAL IN
HEAD STYLEFILLISTER
NOMINAL THREAD DIAMETER0.164 INCHES IN
THREAD QUANTITY PER INCH32
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
530-873InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6705C35InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-I-36698InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
16484InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AN74-32PC28InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A1070-3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0406-274?
0406-274 is a SCREW,MACHINE.
What parts can replace 0406-274?
There are 13 known substitutes for 0406-274: 530-873, 6705C35, MIL-I-36698 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0406-274?
0406-274 is cataloged in the Federal Logistics Information System under NSN 5305-00-282-4432. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: September 2026