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1621156 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1621156: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 1.8 MILLIMETERS NOMINAL MM, head_diameter: 6.0 MILLIMETERS NOMINAL MM, thread_length: 13.0 MILLIMETERS MINIMUM AND 14.0 MILLIMETERS MAXIMUM MM, fastener_length: 14.0 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-291-2249, 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
1621156
NSN: 5305-01-291-2249
FSC: 5305 — Screws
CAGE: 0B6S1 — INTERNATIONAL BUSINESS MACHINES CORP PARTS ORDER CENTER DEPT E - 54 (USA)
SPECIFICATIONS
head_stylePAN
head_height1.8 MILLIMETERS NOMINAL MM
head_diameter6.0 MILLIMETERS NOMINAL MM
thread_length13.0 MILLIMETERS MINIMUM AND 14.0 MILLIMETERS MAXIMUM MM
fastener_length14.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
nominal_thread_diameter3.0 MILLIMETERS MM
thread_series_designatorM
thread_pitch_in_millimeters0.5
external_thread_tolerance_class6G G
NSN5305-01-291-2249
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1621156 · 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: 1.8 MILLIMETERS NOMINAL MM
•
EXTERNAL THREAD TOLERANCE CLASS: 6G G
•
FASTENER LENGTH: 14.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 0.5
•
THREAD LENGTH: 13.0 MILLIMETERS MINIMUM AND 14.0 MILLIMETERS MAXIMUM MM
•
NOMINAL THREAD DIAMETER: 3.0 MILLIMETERS MM
•
HEAD STYLE: PAN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT1.8 MILLIMETERS NOMINAL MM
EXTERNAL THREAD TOLERANCE CLASS6G G
FASTENER LENGTH14.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS0.5
THREAD LENGTH13.0 MILLIMETERS MINIMUM AND 14.0 MILLIMETERS MAXIMUM MM
NOMINAL THREAD DIAMETER3.0 MILLIMETERS MM
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORM
HEAD DIAMETER6.0 MILLIMETERS NOMINAL MM
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 1621156?
1621156 is a SCREW,MACHINE.
What is the NSN for 1621156?
1621156 is cataloged in the U.S. Government catalog under NSN 5305-01-291-2249. This indicates validated use in U.S. government and defense supply chains.
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