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Technical Data Sheet
PartsTable / COMPONENT / S1640
S1640 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include end_item_identification: 6660010560923. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-275-1659, 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
S1640
NSN: 5306-00-275-1659
FSC: 5306
CAGE: 72447 — DANA COMMERCIAL VEHICLE MANUFACTURING, LLC DBA DANA COMMERCIAL VEHICLE PRODUCTS (USA)
SPECIFICATIONS
end_item_identification6660010560923
NSN5306-00-275-1659
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: S1640 · 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
•
PRIMARY WASHER OUTSIDE DIAMETER: 0.567 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.656 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL COMP 1022 OVERALL
•
THREAD SERIES DESIGNATOR: UNF
•
THREAD QUANTITY PER INCH: 24
TECHNICAL CHARACTERISTICS (FLIS)
PRIMARY WASHER OUTSIDE DIAMETER0.567 INCHES MINIMUM AND 0.580 INCHES MAXIMUM IN
FASTENER LENGTH0.656 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN
THREAD LENGTH0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL COMP 1022 OVERALL
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH24
HEAD STYLEHEXAGON
WASHER QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
5905001048334Interchangeable
interchangeable cross-reference
interchangeable
411336-75Interchangeable
interchangeable cross-reference
interchangeable
MIL-R-39008/2Interchangeable
interchangeable cross-reference
interchangeable
1049Interchangeable
interchangeable cross-reference
interchangeable
VE823Interchangeable
interchangeable cross-reference
interchangeable
839412Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S1640?
S1640 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace S1640?
There are 20 known substitutes for S1640: 5905001048334, 411336-75, MIL-R-39008/2 and 17 more. Substitute compatibility should be verified for your specific system.
Is S1640 still available?
S1640 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026