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Technical Data Sheet
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3531138C1 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3531138C1: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include thread_direction: RIGHT-HAND, end_item_identification: 2320-01-552-4677 MRAP, nominal_thread_diameter: 6.0 MILLIMETERS MM, part_name_assigned_by_controlling_agency: SCREW,MACH M6 X 1.25 PAN HD CR. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-564-0863, 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
3531138C1
NSN: 5305-01-564-0863
FSC: 5305 — Screws
CAGE: 338X5 — ND DEFENSE LLC (USA)
SPECIFICATIONS
thread_directionRIGHT-HAND
end_item_identification2320-01-552-4677 MRAP
nominal_thread_diameter6.0 MILLIMETERS MM
thread_series_designatorM
part_name_assigned_by_controlling_agencySCREW,MACH M6 X 1.25 PAN HD CR
NSN5305-01-564-0863
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3531138C1 · 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
•
NOMINAL THREAD DIAMETER: 6.0 MILLIMETERS MM
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES DESIGNATOR: M
TECHNICAL CHARACTERISTICS
NOMINAL THREAD DIAMETER6.0 MILLIMETERS MM
THREAD DIRECTIONRIGHT-HAND
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW,MACH M6 X 1.25 PAN HD CR
END ITEM IDENTIFICATION2320-01-552-4677 MRAP
THREAD SERIES DESIGNATORM
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3531138C1?
3531138C1 is a SCREW,MACHINE.
What is the NSN for 3531138C1?
3531138C1 is cataloged in the U.S. Government catalog under NSN 5305-01-564-0863. 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.