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820-8225837 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

820-8225837: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, hole_diameter: 0.220 INCHES NOMINAL IN, overall_height: 0.050 INCHES NOMINAL IN, outside_diameter: 0.687 INCHES NOMINAL IN, style_designator: SPRING TENSION, material_thickness: 0.034 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-688-4605, 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
820-8225837
NSN: 5310-01-688-4605
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
hole_diameter0.220 INCHES NOMINAL IN
overall_height0.050 INCHES NOMINAL IN
outside_diameter0.687 INCHES NOMINAL IN
style_designatorSPRING TENSION
material_thickness0.034 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencySPRING,DISC
NSN5310-01-688-4605
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 820-8225837 · 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
•
OUTSIDE DIAMETER: 0.687 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.034 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 302 OVERALL
•
HOLE DIAMETER: 0.220 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.050 INCHES NOMINAL IN
STYLE DESIGNATORSPRING TENSION
OUTSIDE DIAMETER0.687 INCHES NOMINAL IN
MATERIAL THICKNESS0.034 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSPRING,DISC
MATERIALSTEEL COMP 302 OVERALL
HOLE DIAMETER0.220 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 2
MCB0687-034-SSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
9713K16Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 820-8225837?
820-8225837 is a WASHER,SPRING TENSION.
What parts can replace 820-8225837?
There are 2 known substitutes for 820-8225837: MCB0687-034-S, 9713K16. Substitute compatibility should be verified for your specific system.
What is the NSN for 820-8225837?
820-8225837 is cataloged in the U.S. Government catalog under NSN 5310-01-688-4605. 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.