PartsTable
Technical Data Sheet
Download PDF

2W26A416 — WASHER,FINISHING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2W26A416: WASHER,FINISHING.

The WASHER,FINISHING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 5052 OVERALL, hole_diameter: 0.260 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN, overall_height: 0.125 INCHES NOMINAL IN, outside_diameter: 0.723 INCHES MINIMUM AND 0.729 INCHES MAXIMUM IN, style_designator: FINISHING, surface_treatment: ANODIZE OR CHROMATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-050-9281, 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
2W26A416
NSN: 5310-00-050-9281
FSC: 5310 — Nuts and Washers
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 5052 OVERALL
hole_diameter0.260 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
overall_height0.125 INCHES NOMINAL IN
outside_diameter0.723 INCHES MINIMUM AND 0.729 INCHES MAXIMUM IN
style_designatorFINISHING
surface_treatmentANODIZE OR CHROMATE OVERALL
material_thickness0.002 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-318 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
NSN5310-00-050-9281
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2W26A416 · 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-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: FINISHING
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-318 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.723 INCHES MINIMUM AND 0.729 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.002 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ANODIZE OR CHROMATE OVERALL
•
MATERIAL: ALUMINUM ALLOY 5052 OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.125 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
STYLE DESIGNATORFINISHING
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-318 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.723 INCHES MINIMUM AND 0.729 INCHES MAXIMUM IN
MATERIAL THICKNESS0.002 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN
SURFACE TREATMENTANODIZE OR CHROMATE OVERALL
MATERIALALUMINUM ALLOY 5052 OVERALL
HOLE DIAMETER0.260 INCHES MINIMUM AND 0.275 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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
Ready to buy 2W26A416?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 2W26A416?
2W26A416 is a WASHER,FINISHING.
What is the NSN for 2W26A416?
2W26A416 is cataloged in the U.S. Government catalog under NSN 5310-00-050-9281. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 2W26A416

✓ 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.