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0128756 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

0128756: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 4.0 MILLIMETERS NOMINAL MM, thread_length: 55.0 MILLIMETERS NOMINAL MM, fastener_length: 59.0 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-600-3229, 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
0128756
NSN: 5305-01-600-3229
FSC: 5305 — Screws
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height4.0 MILLIMETERS NOMINAL MM
thread_length55.0 MILLIMETERS NOMINAL MM
fastener_length59.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_between_flats9.8 MILLIMETERS NOMINAL MM
end_item_identificationMASTIFF 3
nominal_thread_diameter6.0 MILLIMETERS MM
thread_series_designatorM
thread_pitch_in_millimeters1.0
NSN5305-01-600-3229
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0128756 · 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: 4.0 MILLIMETERS NOMINAL MM
•
EXTERNAL THREAD TOLERANCE CLASS: 6G G
•
FASTENER LENGTH: 59.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 1.0
•
THREAD LENGTH: 55.0 MILLIMETERS NOMINAL MM
•
NOMINAL THREAD DIAMETER: 6.0 MILLIMETERS MM
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT4.0 MILLIMETERS NOMINAL MM
EXTERNAL THREAD TOLERANCE CLASS6G G
FASTENER LENGTH59.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS1.0
THREAD LENGTH55.0 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER6.0 MILLIMETERS MM
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS9.8 MILLIMETERS NOMINAL MM
SURFACE TREATMENTZINC OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
3011050Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
12759-01158Reference 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 0128756?
0128756 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 0128756?
There are 2 known substitutes for 0128756: 3011050, 12759-01158. Substitute compatibility should be verified for your specific system.
What is the NSN for 0128756?
0128756 is cataloged in the U.S. Government catalog under NSN 5305-01-600-3229. This indicates validated use in U.S. government and defense supply chains.
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