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16-1031060-04 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

16-1031060-04: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include hole_diameter: 0.020 INCHES NOMINAL IN, outside_diameter: 0.33 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.05 INCHES NOMINAL IN, end_item_identification: 4210-01-622-0440; TRUCK, FIRE FIGHTING, part_name_assigned_by_controlling_agency: WASHER, LOCKING, SPLIT NUMBER 10. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-661-3860, 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
16-1031060-04
NSN: 5310-01-661-3860
FSC: 5310 — Nuts and Washers
CAGE: 10402 — WHELEN ENGINEERING COMPANY, INC. DBA WHELEN ENGINEERING CO INC DIV WHELEN ENGINEERING COMPANY (USA)
SPECIFICATIONS
hole_diameter0.020 INCHES NOMINAL IN
outside_diameter0.33 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.05 INCHES NOMINAL IN
end_item_identification4210-01-622-0440; TRUCK, FIRE FIGHTING
part_name_assigned_by_controlling_agencyWASHER, LOCKING, SPLIT NUMBER 10
NSN5310-01-661-3860
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 16-1031060-04 · 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: 0.33 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.05 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.020 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER0.33 INCHES NOMINAL IN
MATERIAL THICKNESS0.05 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, LOCKING, SPLIT NUMBER 10
END ITEM IDENTIFICATION4210-01-622-0440; TRUCK, FIRE FIGHTING
HOLE DIAMETER0.020 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 1
4235250Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 16-1031060-04?
16-1031060-04 is a WASHER,LOCK.
What parts can replace 16-1031060-04?
There is 1 known substitute for 16-1031060-04: 4235250. Substitute compatibility should be verified for your specific system.
What is the NSN for 16-1031060-04?
16-1031060-04 is cataloged in the U.S. Government catalog under NSN 5310-01-661-3860. 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.