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218100301 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

218100301: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, hole_diameter: 0.63 INCHES NOMINAL IN, overall_height: 0.129 INCHES NOMINAL IN, outside_diameter: 1.875 INCHES NOMINAL IN, style_designator: SPRING TENSION, material_thickness: 0.086 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-661-7338, 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
218100301
NSN: 5310-01-661-7338
FSC: 5310 — Nuts and Washers
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
hole_diameter0.63 INCHES NOMINAL IN
overall_height0.129 INCHES NOMINAL IN
outside_diameter1.875 INCHES NOMINAL IN
style_designatorSPRING TENSION
material_thickness0.086 INCHES NOMINAL IN
material_document_and_classificationAMS 5906 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyBELLEVILLE SPRING WASHERS
NSN5310-01-661-7338
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 218100301 · 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: SPRING TENSION
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5906 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 1.875 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.086 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 302 OVERALL
•
HOLE DIAMETER: 0.63 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.129 INCHES NOMINAL IN
STYLE DESIGNATORSPRING TENSION
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5906 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER1.875 INCHES NOMINAL IN
MATERIAL THICKNESS0.086 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBELLEVILLE SPRING WASHERS
MATERIALSTEEL COMP 302 OVERALL
HOLE DIAMETER0.63 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 218100301?
218100301 is a WASHER,SPRING TENSION.
What is the NSN for 218100301?
218100301 is cataloged in the U.S. Government catalog under NSN 5310-01-661-7338. 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.