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311457 — WASHER,SHOULDERED

✓ Government record, cited
HPE · NUT WASHER
PRODUCT OVERVIEW

311457: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a HPE industrial component. Key specifications include material: STEEL COMP 303 OVERALL, hole_diameter: 0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN, heat_treatment: ANNEALED, shoulder_height: 0.062 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN, outside_diameter: 0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN, style_designator: SHOULDERED. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-596-9246, 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
311457
NSN: 5310-00-596-9246
FSC: 5310 — Nuts and Washers
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
hole_diameter0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
heat_treatmentANNEALED
shoulder_height0.062 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
outside_diameter0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
style_designatorSHOULDERED
shoulder_diameter0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
material_thickness0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
material_document_and_classificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-596-9246
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COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 311457 · HPE ⚠ 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: 0.062 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
•
HEAT TREATMENT: ANNEALED
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
SHOULDER HEIGHT0.062 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
HEAT TREATMENTANNEALED
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
MATERIAL THICKNESS0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
SHOULDER DIAMETER0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 303 OVERALL
HOLE DIAMETER0.422 INCHES MINIMUM AND 0.453 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 311457?
311457 is a WASHER,SHOULDERED manufactured by HPE.
What is the NSN for 311457?
311457 is cataloged in the U.S. Government catalog under NSN 5310-00-596-9246. 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.