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29166-99034 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

29166-99034: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.323 INCHES NOMINAL IN, outside_diameter: 0.559 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.063 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-161-9665, 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
29166-99034
NSN: 5310-00-161-9665
NIINs: 001619665, 010135630
FSC: 5310 — Nuts and Washers
CAGE: 55683 — WHEELER FLEET SOLUTIONS, CO. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.323 INCHES NOMINAL IN
outside_diameter0.559 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.063 INCHES NOMINAL IN
NSN5310-00-161-9665
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 29166-99034 · 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: 0.559 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.063 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
HOLE DIAMETER: 0.323 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER0.559 INCHES NOMINAL IN
MATERIAL THICKNESS0.063 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
HOLE DIAMETER0.323 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
2-916-693-007Reference 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 29166-99034?
29166-99034 is a WASHER,LOCK.
What parts can replace 29166-99034?
There is 1 known substitute for 29166-99034: 2-916-693-007. Substitute compatibility should be verified for your specific system.
What is the NSN for 29166-99034?
29166-99034 is cataloged in the U.S. Government catalog under NSN 5310-00-161-9665. 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.