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DIN7980-8-FST — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

DIN7980-8-FST: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 8.1 MILLIMETERS MINIMUM AND 8.5 MILLIMETERS MAXIMUM MM, outside_diameter: 12.7 MILLIMETERS MAXIMUM MM, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 1.9 MILLIMETERS MINIMUM AND 2.1 MILLIMETERS MAXIMUM MM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-321-4932, 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
DIN7980-8-FST
NSN: 5310-01-321-4932
FSC: 5310 — Nuts and Washers
CAGE: D8286 — DIN DEUTSCHES INSTITUT FUR NORMUNG EV (DEU)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter8.1 MILLIMETERS MINIMUM AND 8.5 MILLIMETERS MAXIMUM MM
outside_diameter12.7 MILLIMETERS MAXIMUM MM
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness1.9 MILLIMETERS MINIMUM AND 2.1 MILLIMETERS MAXIMUM MM
NSN5310-01-321-4932
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: DIN7980-8-FST · OEM ⚠ 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
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
OUTSIDE DIAMETER: 12.7 MILLIMETERS MAXIMUM MM
•
MATERIAL THICKNESS: 1.9 MILLIMETERS MINIMUM AND 2.1 MILLIMETERS MAXIMUM MM
•
COLOR: BLACK OVERALL
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 8.1 MILLIMETERS MINIMUM AND 8.5 MILLIMETERS MAXIMUM MM
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER12.7 MILLIMETERS MAXIMUM MM
MATERIAL THICKNESS1.9 MILLIMETERS MINIMUM AND 2.1 MILLIMETERS MAXIMUM MM
COLORBLACK OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER8.1 MILLIMETERS MINIMUM AND 8.5 MILLIMETERS MAXIMUM MM
SUBSTITUTES & CROSS-REFERENCES 1
5158100Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is DIN7980-8-FST?
DIN7980-8-FST is a WASHER,LOCK.
What parts can replace DIN7980-8-FST?
There is 1 known substitute for DIN7980-8-FST: 5158100. Substitute compatibility should be verified for your specific system.
What is the NSN for DIN7980-8-FST?
DIN7980-8-FST is cataloged in the U.S. Government catalog under NSN 5310-01-321-4932. 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.