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03A344-3 — WASHER,RECESSED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

03A344-3: WASHER,RECESSED.

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, hole_diameter: 0.200 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN, recess_diameter: 0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN, outside_diameter: 0.061 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, material_document_and_classification: AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-426-4083, 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
03A344-3
NSN: 5310-01-426-4083
FSC: 5310 — Nuts and Washers
CAGE: 1W025 — NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
hole_diameter0.200 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
recess_diameter0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
outside_diameter0.061 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
material_document_and_classificationAMS5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-426-4083
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 03A344-3 · 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: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.061 INCHES NOMINAL IN
•
RECESS DIAMETER: 0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: IRON ALLOY 660 OVERALL
•
HOLE DIAMETER: 0.200 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.061 INCHES NOMINAL IN
RECESS DIAMETER0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALIRON ALLOY 660 OVERALL
HOLE DIAMETER0.200 INCHES MINIMUM AND 0.210 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 03A344-3?
03A344-3 is a WASHER,RECESSED.
What is the NSN for 03A344-3?
03A344-3 is cataloged in the U.S. Government catalog under NSN 5310-01-426-4083. This indicates validated use in U.S. government and defense supply chains.
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