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6680-2556 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6680-2556: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, hole_diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, overall_height: 0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN, shoulder_height: 0.062 INCHES NOMINAL IN, outside_diameter: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN, style_designator: SHOULDERED. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-352-9802, 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
6680-2556
NSN: 5310-01-352-9802
FSC: 5310 — Nuts and Washers
CAGE: 54355 — ACCESSORIES FOR ELECTRONICS INC DBA AFE (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
hole_diameter0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
overall_height0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
shoulder_height0.062 INCHES NOMINAL IN
outside_diameter0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
style_designatorSHOULDERED
shoulder_diameter0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
NSN5310-01-352-9802
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6680-2556 · 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
•
SHOULDER HEIGHT: 0.062 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED
•
OUTSIDE DIAMETER: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
•
HOLE DIAMETER: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
SHOULDER HEIGHT0.062 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED
OUTSIDE DIAMETER0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
SHOULDER DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
HOLE DIAMETER0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM 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
L835028A0541-05Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
835028A0541-05Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6680-2556?
6680-2556 is a WASHER,SHOULDERED.
What parts can replace 6680-2556?
There are 2 known substitutes for 6680-2556: L835028A0541-05, 835028A0541-05. Substitute compatibility should be verified for your specific system.
What is the NSN for 6680-2556?
6680-2556 is cataloged in the U.S. Government catalog under NSN 5310-01-352-9802. 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.