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MS27039C4-42 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MS27039C4-42: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN, thread_length: 0.531 INCHES NOMINAL IN, screw_material: IRON ALLOY 660. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-606-0294, 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
MS27039C4-42
NSN: 5305-01-606-0294
FSC: 5305 — Screws
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
head_stylePAN
head_height0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
thread_length0.531 INCHES NOMINAL IN
screw_materialIRON ALLOY 660
fastener_length2.656 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE II
end_item_identificationA10
nominal_thread_diameter0.25 INCHES IN
screw_surface_treatmentPASSIVATE
NSN5305-01-606-0294
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MS27039C4-42 · 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: 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 2.656 INCHES NOMINAL IN
•
THREAD LENGTH: 0.531 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.25 INCHES IN
•
HEAD STYLE: PAN
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: IRON ALLOY 660
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH2.656 INCHES NOMINAL IN
THREAD LENGTH0.531 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.25 INCHES IN
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALIRON ALLOY 660
INTERNAL DRIVE STYLECROSS RECESS TYPE II
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS27039C4-42?
MS27039C4-42 is a SCREW,MACHINE.
What is the NSN for MS27039C4-42?
MS27039C4-42 is cataloged in the U.S. Government catalog under NSN 5305-01-606-0294. 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.