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DAA7227D029-001 — WASHER,CONVEX

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

DAA7227D029-001: WASHER,CONVEX.

The WASHER,CONVEX is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, outside_diameter: 4.250 INCHES NOMINAL IN, style_designator: CONVEX, surface_treatment: PASSIVATE OVERALL, material_thickness: 1.780 INCHES NOMINAL IN, material_document_and_classification: AMS5643 ASSN STD 1ST MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-376-4778, 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
DAA7227D029-001
NSN: 5310-01-376-4778
FSC: 5310 — Nuts and Washers
CAGE: 76823 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
outside_diameter4.250 INCHES NOMINAL IN
style_designatorCONVEX
surface_treatmentPASSIVATE OVERALL
material_thickness1.780 INCHES NOMINAL IN
material_document_and_classificationAMS5643 ASSN STD 1ST MATERIAL RESPONSE OVERALL
NSN5310-01-376-4778
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: DAA7227D029-001 · 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
•
STYLE DESIGNATOR: CONVEX
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5643 ASSN STD 1ST MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 4.250 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 1.780 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL COMP 630 OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCONVEX
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5643 ASSN STD 1ST MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER4.250 INCHES NOMINAL IN
MATERIAL THICKNESS1.780 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 630 OVERALL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is DAA7227D029-001?
DAA7227D029-001 is a WASHER,CONVEX.
What is the NSN for DAA7227D029-001?
DAA7227D029-001 is cataloged in the U.S. Government catalog under NSN 5310-01-376-4778. 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.