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98437A106 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

98437A106: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, hole_diameter: 0.170 INCHES NOMINAL IN, outside_diameter: 0.270 INCHES NOMINAL IN, special_features: ITEM FOR NUMBER 8 SCREW SIZE, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.040 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-606-1923, 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
98437A106
NSN: 5310-01-606-1923
FSC: 5310 — Nuts and Washers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
hole_diameter0.170 INCHES NOMINAL IN
outside_diameter0.270 INCHES NOMINAL IN
special_featuresITEM FOR NUMBER 8 SCREW SIZE
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.040 INCHES MINIMUM IN
end_item_identificationTHREAT EMITTE
part_name_assigned_by_controlling_agency18-8 STAINLESS STEEL SPLIT LOCK WASHER
NSN5310-01-606-1923
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 98437A106 · 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: SPLIT HELICAL-RIGHT HAND
•
OUTSIDE DIAMETER: 0.270 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.040 INCHES MINIMUM IN
•
MATERIAL: STEEL COMP 302 OVERALL
•
HOLE DIAMETER: 0.170 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER0.270 INCHES NOMINAL IN
MATERIAL THICKNESS0.040 INCHES MINIMUM IN
SPECIAL FEATURESITEM FOR NUMBER 8 SCREW SIZE
PART NAME ASSIGNED BY CONTROLLING AGENCY18-8 STAINLESS STEEL SPLIT LOCK WASHER
END ITEM IDENTIFICATIONTHREAT EMITTE
MATERIALSTEEL COMP 302 OVERALL
HOLE DIAMETER0.170 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 98437A106?
98437A106 is a WASHER,LOCK.
What is the NSN for 98437A106?
98437A106 is cataloged in the U.S. Government catalog under NSN 5310-01-606-1923. 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.