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1138617 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1138617: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 4.95 MILLIMETERS MINIMUM AND 5.25 MILLIMETERS MAXIMUM MM, thread_length: 29.58 MILLIMETERS MINIMUM AND 30.42 MILLIMETERS MAXIMUM MM, fastener_length: 29.58 MILLIMETERS MINIMUM AND 30.42 MILLIMETERS MAXIMUM MM, thread_direction: RIGHT-HAND, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-616-4704, 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
1138617
NSN: 5305-01-616-4704
FSC: 5305 — Screws
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height4.95 MILLIMETERS MINIMUM AND 5.25 MILLIMETERS MAXIMUM MM
thread_length29.58 MILLIMETERS MINIMUM AND 30.42 MILLIMETERS MAXIMUM MM
fastener_length29.58 MILLIMETERS MINIMUM AND 30.42 MILLIMETERS MAXIMUM MM
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_between_flats12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM MM
end_item_identification3930-01-599-9978
nominal_thread_diameter8.0 MILLIMETERS MM
thread_series_designatorM
specification/standard_dataD8286-DIN933 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
thread_pitch_in_millimeters1.25
NSN5305-01-616-4704
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1138617 · 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: 4.95 MILLIMETERS MINIMUM AND 5.25 MILLIMETERS MAXIMUM MM
•
EXTERNAL THREAD TOLERANCE CLASS: 6G G
•
FASTENER LENGTH: 29.58 MILLIMETERS MINIMUM AND 30.42 MILLIMETERS MAXIMUM MM
•
THREAD PITCH IN MILLIMETERS: 1.25
•
THREAD LENGTH: 29.58 MILLIMETERS MINIMUM AND 30.42 MILLIMETERS MAXIMUM MM
•
NOMINAL THREAD DIAMETER: 8.0 MILLIMETERS MM
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT4.95 MILLIMETERS MINIMUM AND 5.25 MILLIMETERS MAXIMUM MM
EXTERNAL THREAD TOLERANCE CLASS6G G
FASTENER LENGTH29.58 MILLIMETERS MINIMUM AND 30.42 MILLIMETERS MAXIMUM MM
THREAD PITCH IN MILLIMETERS1.25
THREAD LENGTH29.58 MILLIMETERS MINIMUM AND 30.42 MILLIMETERS MAXIMUM MM
NOMINAL THREAD DIAMETER8.0 MILLIMETERS MM
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
SPECIFICATION/STANDARD DATAD8286-DIN933 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH BETWEEN FLATS12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM MM
SUBSTITUTES & CROSS-REFERENCES 1
7648Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 1138617?
1138617 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 1138617?
There is 1 known substitute for 1138617: 7648. Substitute compatibility should be verified for your specific system.
What is the NSN for 1138617?
1138617 is cataloged in the U.S. Government catalog under NSN 5305-01-616-4704. This indicates validated use in U.S. government and defense supply chains.
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