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334-0429-000 — 334-0429-000

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

334-0429-000: 334-0429-000.

The 334-0429-000 is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: 0.219 IN. LG,MTG HOLE DIA 0.203 IN.,0.250 IN.

ACROSSFLAT,TYPE 303 STAINLESS STEEL,PASSIVATE IN. This part is cataloged in the U.S. Government catalog under NSN 5310-00-400-3547, 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
334-0429-000
NSN: 5310-00-400-3547
NIINs: 004003547, 006039128
FSC: 5310 — Nuts and Washers
CAGE: 07886 — DAR ELECTRONICS INC COMMERCIAL PRODUCTS DIV DBA NATIONAL RADIO CO (USA)
SPECIFICATIONS
general_characteristics_item_description0.219 IN. LG,MTG HOLE DIA 0.203 IN.,0.250 IN. ACROSSFLAT,TYPE 303 STAINLESS STEEL,PASSIVATE IN
NSN5310-00-400-3547
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 334-0429-000 · 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
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
PILOT DIAMETER: 0.201 INCHES NOMINAL IN
•
NUT HEIGHT: 0.219 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.138 INCHES IN
PILOT DIAMETER0.201 INCHES NOMINAL IN
NUT HEIGHT0.219 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
NUT STYLECLINCH
THREAD CLASS2B
SUBSTITUTES & CROSS-REFERENCES 2
46N062EXR5Reference document
Same NSN cross-reference
Reference document — Secondary reference
NCN6-3-2-5Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 334-0429-000?
334-0429-000 is a 334-0429-000.
What parts can replace 334-0429-000?
There are 2 known substitutes for 334-0429-000: 46N062EXR5, NCN6-3-2-5. Substitute compatibility should be verified for your specific system.
What is the NSN for 334-0429-000?
334-0429-000 is cataloged in the U.S. Government catalog under NSN 5310-00-400-3547. 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.