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DAA3255D020-001 — WASHER,KEY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

DAA3255D020-001: WASHER,KEY.

The WASHER,KEY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, outside_diameter: 1.050 INCHES NOMINAL IN, special_features: INSIDE DIA FLATTENED,WIDTH 0.442 IN IN, surface_treatment: PASSIVATE OVERALL, material_thickness: 0.090 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-349-9630, 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
DAA3255D020-001
NSN: 5310-01-349-9630
FSC: 5310 — Nuts and Washers
CAGE: 1W025 — NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
outside_diameter1.050 INCHES NOMINAL IN
special_featuresINSIDE DIA FLATTENED,WIDTH 0.442 IN IN
surface_treatmentPASSIVATE OVERALL
material_thickness0.090 INCHES NOMINAL IN
external_key_quantity2
internal_key_quantity2
NSN5310-01-349-9630
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: DAA3255D020-001 · 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
•
OUTSIDE DIAMETER: 1.050 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.090 INCHES NOMINAL IN
•
EXTERNAL KEY QUANTITY: 2
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL OVERALL
•
INTERNAL KEY QUANTITY: 2
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER1.050 INCHES NOMINAL IN
MATERIAL THICKNESS0.090 INCHES NOMINAL IN
EXTERNAL KEY QUANTITY2
SPECIAL FEATURESINSIDE DIA FLATTENED,WIDTH 0.442 IN IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL OVERALL
INTERNAL KEY QUANTITY2
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 DAA3255D020-001?
DAA3255D020-001 is a WASHER,KEY.
What is the NSN for DAA3255D020-001?
DAA3255D020-001 is cataloged in the U.S. Government catalog under NSN 5310-01-349-9630. 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.