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7628643 — CRANK,HAND

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7628643: CRANK,HAND.

The CRANK,HAND is a the manufacturer industrial component. Key specifications include arm_style: STRAIGHT, crank_throw_length: 8.488 INCHES MINIMUM AND 8.512 INCHES MAXIMUM IN, crank_overall_length: 20.785 INCHES MINIMUM AND 20.835 INCHES MAXIMUM IN, end_item_identification: MK31WEAPON SYSTEM,GUIDED MILLSE,RAM,SSE, part_name_assigned_by_controlling_agency: HAND CRANK,ELEVATION. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-531-4532, 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
7628643
NSN: 5340-01-531-4532
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
arm_styleSTRAIGHT
crank_throw_length8.488 INCHES MINIMUM AND 8.512 INCHES MAXIMUM IN
crank_overall_length20.785 INCHES MINIMUM AND 20.835 INCHES MAXIMUM IN
end_item_identificationMK31WEAPON SYSTEM,GUIDED MILLSE,RAM,SSE
part_name_assigned_by_controlling_agencyHAND CRANK,ELEVATION
NSN5340-01-531-4532
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7628643 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CRANK OVERALL LENGTH: 20.785 INCHES MINIMUM AND 20.835 INCHES MAXIMUM IN
•
CRANK THROW LENGTH: 8.488 INCHES MINIMUM AND 8.512 INCHES MAXIMUM IN
•
ARM STYLE: STRAIGHT
TECHNICAL CHARACTERISTICS
CRANK OVERALL LENGTH20.785 INCHES MINIMUM AND 20.835 INCHES MAXIMUM IN
CRANK THROW LENGTH8.488 INCHES MINIMUM AND 8.512 INCHES MAXIMUM IN
ARM STYLESTRAIGHT
PART NAME ASSIGNED BY CONTROLLING AGENCYHAND CRANK,ELEVATION
END ITEM IDENTIFICATIONMK31WEAPON SYSTEM,GUIDED MILLSE,RAM,SSE
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 7628643?
7628643 is a CRANK,HAND.
What is the NSN for 7628643?
7628643 is cataloged in the U.S. Government catalog under NSN 5340-01-531-4532. 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.