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2-03058 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2-03058: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include fastener_length: 0.750 INCHES NOMINAL IN, special_features: USED ON A POWER DRIVEN HYDRAULIC PUMPING UNIT, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.312 INCHES IN, thread_quantity_per_inch: 18, thread_series_designator: UNEF. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-168-9896, 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
2-03058
NSN: 5310-01-168-9896
NIINs: 011689896, 014808012
FSC: 5310 — Nuts and Washers
CAGE: 06853 — BENDIX COMMERCIAL VEHICLE SYSTEMS LLC DBA BENDIX COMMERCIAL VEHICLE SYSTEMS (USA)
SPECIFICATIONS
fastener_length0.750 INCHES NOMINAL IN
special_featuresUSED ON A POWER DRIVEN HYDRAULIC PUMPING UNIT
thread_directionRIGHT-HAND
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNEF
NSN5310-01-168-9896
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2-03058 · 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
SUBSTITUTES & CROSS-REFERENCES 1
203764 PIECE 203058Reference 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 2-03058?
2-03058 is a WASHER,FLAT.
What parts can replace 2-03058?
There is 1 known substitute for 2-03058: 203764 PIECE 203058. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-03058?
2-03058 is cataloged in the U.S. Government catalog under NSN 5310-01-168-9896. 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.