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99411498 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

99411498: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include outside_diameter: 0.375 INCHES NOMINAL IN, style_designator: DOME EXTERNAL AND INTERNAL TEETH, part_name_assigned_by_controlling_agency: WASHER, LOCK. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-668-7839, 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
99411498
NSN: 5310-01-668-7839
FSC: 5310 — Nuts and Washers
CAGE: 1WSN4 — HOFFMAN ENCLOSURES INC DBA HOFFMAN ENCLOSURES INC (USA)
SPECIFICATIONS
outside_diameter0.375 INCHES NOMINAL IN
style_designatorDOME EXTERNAL AND INTERNAL TEETH
external_key_quantity4
internal_key_quantity5
part_name_assigned_by_controlling_agencyWASHER, LOCK
NSN5310-01-668-7839
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 99411498 · 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: DOME EXTERNAL AND INTERNAL TEETH
•
OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
EXTERNAL KEY QUANTITY: 4
•
INTERNAL KEY QUANTITY: 5
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORDOME EXTERNAL AND INTERNAL TEETH
OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY4
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, LOCK
INTERNAL KEY QUANTITY5
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 99411498?
99411498 is a WASHER,LOCK.
What is the NSN for 99411498?
99411498 is cataloged in the U.S. Government catalog under NSN 5310-01-668-7839. 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.