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Technical Data Sheet
PartsTable / COMPONENT / 37980
37980 ✓ Verified by PartsTable
Lindy · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

<b>High quality optical digital interconnect!</b><br>- Designed for home theatre and professional AV installations;<br>- Compatible with all optical SPDIF equipped devices which use the TosLink / optical SPDIF interface;<br>- High grade fibre optic core with bronze ferrule for the clearest, most accurate digital audio transmission;<br>- Ultra flexible triple layer protective jacket for advanced protection;<br>- Sturdy, gold plated metal connector body for added strength;<br>- Fully quality tested;<br>- 25 years warranty;<br>- Available in lengths from 0.5m to 50m. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-695-1088, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
37980
NSN: 5315-01-695-1088
FSC: 5315
CAGE: 00287 — SPIROL INTERNATIONAL CORPORATION (USA)
SPECIFICATIONS
diameter0.250 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
overall_length0.625 INCHES NOMINAL IN
shear_strength7050 DOUBLE POUNDS PER SQUARE INCH
special_featuresUNITS PER BOX 500, FINISH PLAIN, RECOMMENDED HOLE SIZE MIN. .250 INCHES TO MAX. .256 INCHES IN
style_designatorSLOTTED
surface_treatmentCHROMIUM OVERALL
material_thickness0.040 INCHES NOMINAL IN
material_document_and_classificationUNS S42000 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencySTANDARD SLOTTED SPRING PIN
NSN5315-01-695-1088
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 37980 · Lindy ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: UNS S42000 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: SLOTTED
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
MATERIAL THICKNESS: 0.040 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCHROMIUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONUNS S42000 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORSLOTTED
MATERIALSTEEL CORROSION RESISTING OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSTANDARD SLOTTED SPRING PIN
OVERALL LENGTH0.625 INCHES NOMINAL IN
MATERIAL THICKNESS0.040 INCHES NOMINAL IN
SPECIAL FEATURESUNITS PER BOX 500, FINISH PLAIN, RECOMMENDED HOLE SIZE MIN. .250 INCHES TO MAX. .256 INCHES IN
SHEAR STRENGTH7050 DOUBLE POUNDS PER SQUARE INCH
DIAMETER0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
800095Interchangeable
interchangeable cross-reference
interchangeable
18593Interchangeable
interchangeable cross-reference
interchangeable
998445Interchangeable
interchangeable cross-reference
interchangeable
QVRL 998445Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 37980?
37980 is a PIN,SPRING manufactured by Lindy.
What parts can replace 37980?
There are 4 known substitutes for 37980: 800095, 18593, 998445 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 37980?
37980 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-695-1088. 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