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2505456 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2505456: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include thickness: 0.155 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN, hole_diameter: 2.630 INCHES MINIMUM AND 2.640 INCHES MAXIMUM IN, overall_diameter: 3.188 INCHES NOMINAL IN, surface_treatment: OXIDE FILM OVERALL, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-031-8388, 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
2505456
NSN: 5310-01-031-8388
FSC: 5310 — Nuts and Washers
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
thickness0.155 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
hole_diameter2.630 INCHES MINIMUM AND 2.640 INCHES MAXIMUM IN
overall_diameter3.188 INCHES NOMINAL IN
surface_treatmentOXIDE FILM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
departure_from_cited_documentAS MODIFIED BY SPECIAL QUALITY CONROL TESTING FOR MK 48 TORPEDO
criticality_code_justificationZZZW
surface_treatment_document_and_classificationMIL-C-13924,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-031-8388
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2505456 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-13924,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 3.188 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY SPECIAL QUALITY CONROL TESTING FOR MK 48 TORPEDO
•
SURFACE TREATMENT: OXIDE FILM OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-13924,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER3.188 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONZZZW
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY SPECIAL QUALITY CONROL TESTING FOR MK 48 TORPEDO
SURFACE TREATMENTOXIDE FILM OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER2.630 INCHES MINIMUM AND 2.640 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 2505456?
2505456 is a WASHER,FLAT.
What is the NSN for 2505456?
2505456 is cataloged in the U.S. Government catalog under NSN 5310-01-031-8388. This indicates validated use in U.S. government and defense supply chains.
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