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Technical Data Sheet
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31684 ✓ Verified by PartsTable
Lindy · 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

Sangoma 617 DB37MALE-V.35MALE 6FT. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FILLISTER, thread_class: 3A A, head_diameter: 0.260 INCHES NOMINAL IN, overall_width: 0.250 INCHES IN, thread_length: 1.130 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-009-3367, 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
31684
NSN: 5305-00-009-3367
FSC: 5305
CAGE: 96487 — VALCOR ENGINEERING CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleFILLISTER
thread_class3A A
head_diameter0.260 INCHES NOMINAL IN
overall_width0.250 INCHES IN
thread_length1.130 INCHES MAXIMUM IN
overall_length0.766 INCHES IN
screw_materialSTEEL CORROSION RESISTING
connection_typeTHREADED INTERNAL PIPE ALL ENDS
fastener_length1.130 INCHES NOMINAL IN
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
NSN5305-00-009-3367
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 31684 · Lindy ⚠ 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
•
THREAD LENGTH: 1.130 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL CORROSION RESISTING
•
FASTENER LENGTH: 1.130 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
THREAD CLASS: 3A A
•
HEAD DIAMETER: 0.260 INCHES NOMINAL IN
•
HEAD STYLE: FILLISTER
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH1.130 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL CORROSION RESISTING
FASTENER LENGTH1.130 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
THREAD CLASS3A A
HEAD DIAMETER0.260 INCHES NOMINAL IN
HEAD STYLEFILLISTER
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
015745Interchangeable
interchangeable cross-reference
interchangeable
503P536Interchangeable
interchangeable cross-reference
interchangeable
26416Interchangeable
interchangeable cross-reference
interchangeable
31684Interchangeable
interchangeable cross-reference
interchangeable
276642Interchangeable
interchangeable cross-reference
interchangeable
10015336-032Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31684?
31684 is a Sangoma 617 DB37MALE-V.35MALE 6FT manufactured by Lindy.
What parts can replace 31684?
There are 8 known substitutes for 31684: 015745, 503P536, 26416 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31684?
31684 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-009-3367. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026