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34028-0002 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

34028-0002: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, hole_diameter: 0.100 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN, shoulder_height: 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN, outside_diameter: 0.375 INCHES NOMINAL IN, style_designator: SHOULDERED, shoulder_diameter: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-339-9581, 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
34028-0002
NSN: 5310-01-339-9581
FSC: 5310 — Nuts and Washers
CAGE: 27914 — HONEYWELL INTERNATIONAL INC DBA HONEYWELL (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.100 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
shoulder_height0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
outside_diameter0.375 INCHES NOMINAL IN
style_designatorSHOULDERED
shoulder_diameter0.250 INCHES NOMINAL IN
material_thickness0.020 INCHES NOMINAL IN
NSN5310-01-339-9581
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 34028-0002 · 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
•
SHOULDER HEIGHT: 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDERED
•
OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.020 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.250 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
•
HOLE DIAMETER: 0.100 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SHOULDER HEIGHT0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDERED
OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
MATERIAL THICKNESS0.020 INCHES NOMINAL IN
SHOULDER DIAMETER0.250 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.100 INCHES MINIMUM AND 0.104 INCHES MAXIMUM 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 34028-0002?
34028-0002 is a WASHER,SHOULDERED.
What is the NSN for 34028-0002?
34028-0002 is cataloged in the U.S. Government catalog under NSN 5310-01-339-9581. 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.