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0121886 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

0121886: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 9.8 MILLIMETERS MINIMUM AND 10.1 MILLIMETERS MAXIMUM MM, head_length: 18.9 MILLIMETERS NOMINAL MM, chamfer_angle: 15.0 DEGREES MINIMUM AND 30.0 DEGREES MAXIMUM, thread_length: 74.4 MILLIMETERS MINIMUM AND 75.6 MILLIMETERS MAXIMUM MM, special_features: SPECIFICATION 933, CLASS 8.8. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-645-4345, 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
0121886
NSN: 5305-01-645-4345
FSC: 5305 — Screws
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height9.8 MILLIMETERS MINIMUM AND 10.1 MILLIMETERS MAXIMUM MM
head_length18.9 MILLIMETERS NOMINAL MM
chamfer_angle15.0 DEGREES MINIMUM AND 30.0 DEGREES MAXIMUM
thread_length74.4 MILLIMETERS MINIMUM AND 75.6 MILLIMETERS MAXIMUM MM
special_featuresSPECIFICATION 933, CLASS 8.8
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_between_flats23.6 MILLIMETERS MINIMUM AND 24.0 MILLIMETERS MAXIMUM MM
nominal_thread_diameter16.0 MILLIMETERS MM
thread_pitch_in_millimeters2.0
part_name_assigned_by_controlling_agencyHEX CAP SCREW
NSN5305-01-645-4345
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0121886 · 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: 9.8 MILLIMETERS MINIMUM AND 10.1 MILLIMETERS MAXIMUM MM
•
THREAD PITCH IN MILLIMETERS: 2.0
•
THREAD LENGTH: 74.4 MILLIMETERS MINIMUM AND 75.6 MILLIMETERS MAXIMUM MM
•
NOMINAL THREAD DIAMETER: 16.0 MILLIMETERS MM
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD LENGTH: 18.9 MILLIMETERS NOMINAL MM
•
WIDTH BETWEEN FLATS: 23.6 MILLIMETERS MINIMUM AND 24.0 MILLIMETERS MAXIMUM MM
TECHNICAL CHARACTERISTICS
HEAD HEIGHT9.8 MILLIMETERS MINIMUM AND 10.1 MILLIMETERS MAXIMUM MM
THREAD PITCH IN MILLIMETERS2.0
THREAD LENGTH74.4 MILLIMETERS MINIMUM AND 75.6 MILLIMETERS MAXIMUM MM
NOMINAL THREAD DIAMETER16.0 MILLIMETERS MM
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
HEAD LENGTH18.9 MILLIMETERS NOMINAL MM
WIDTH BETWEEN FLATS23.6 MILLIMETERS MINIMUM AND 24.0 MILLIMETERS MAXIMUM MM
SPECIAL FEATURESSPECIFICATION 933, CLASS 8.8
SURFACE TREATMENTZINC OVERALL
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
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 0121886?
0121886 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 0121886?
0121886 is cataloged in the U.S. Government catalog under NSN 5305-01-645-4345. This indicates validated use in U.S. government and defense supply chains.
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