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5621943 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

5621943: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include special_features: QUANTITY 8, end_item_identification: MARINE PROPULSION AND AUXILIARY ENGINES, part_name_assigned_by_controlling_agency: HEXAGON FLANGE HEAD CAP SCREW. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-734-9667, 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
5621943
NSN: 5305-01-734-9667
FSC: 5305 — Screws
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
special_featuresQUANTITY 8
end_item_identificationMARINE PROPULSION AND AUXILIARY ENGINES
part_name_assigned_by_controlling_agencyHEXAGON FLANGE HEAD CAP SCREW
NSN5305-01-734-9667
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5621943 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESQUANTITY 8
PART NAME ASSIGNED BY CONTROLLING AGENCYHEXAGON FLANGE HEAD CAP SCREW
END ITEM IDENTIFICATIONMARINE PROPULSION AND AUXILIARY ENGINES
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5621943?
5621943 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 5621943?
5621943 is cataloged in the U.S. Government catalog under NSN 5305-01-734-9667. 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.