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679E0001C030A — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

679E0001C030A: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include hole_diameter: 3.422 INCHES MINIMUM AND 3.438 INCHES MAXIMUM IN, shoulder_height: 0.375 INCHES NOMINAL IN, outside_diameter: 4.344 INCHES NOMINAL IN, special_features: CHAMFER EDGE OF SHOULDER 0.031 IN. BY 45 DEG IN, style_designator: SHOULDERED, shoulder_diameter: 3.870 INCHES MINIMUM AND 3.873 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5310-01-194-9230, 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
679E0001C030A
NSN: 5310-01-194-9230
FSC: 5310 — Nuts and Washers
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
hole_diameter3.422 INCHES MINIMUM AND 3.438 INCHES MAXIMUM IN
shoulder_height0.375 INCHES NOMINAL IN
outside_diameter4.344 INCHES NOMINAL IN
special_featuresCHAMFER EDGE OF SHOULDER 0.031 IN. BY 45 DEG IN
style_designatorSHOULDERED
shoulder_diameter3.870 INCHES MINIMUM AND 3.873 INCHES MAXIMUM IN
material_thickness0.125 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5310-01-194-9230
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 679E0001C030A · 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: 0.375 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED
•
OUTSIDE DIAMETER: 4.344 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 3.870 INCHES MINIMUM AND 3.873 INCHES MAXIMUM IN
•
HOLE DIAMETER: 3.422 INCHES MINIMUM AND 3.438 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SHOULDER HEIGHT0.375 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED
OUTSIDE DIAMETER4.344 INCHES NOMINAL IN
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
SHOULDER DIAMETER3.870 INCHES MINIMUM AND 3.873 INCHES MAXIMUM IN
SPECIAL FEATURESCHAMFER EDGE OF SHOULDER 0.031 IN. BY 45 DEG IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
HOLE DIAMETER3.422 INCHES MINIMUM AND 3.438 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 1
993H0004 PIECE 12Reference document
Same NSN cross-reference
Reference document — Secondary 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 679E0001C030A?
679E0001C030A is a WASHER,SHOULDERED.
What parts can replace 679E0001C030A?
There is 1 known substitute for 679E0001C030A: 993H0004 PIECE 12. Substitute compatibility should be verified for your specific system.
What is the NSN for 679E0001C030A?
679E0001C030A is cataloged in the U.S. Government catalog under NSN 5310-01-194-9230. 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.