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549000-038 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

549000-038: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thickness: 0.021 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN, hole_diameter: 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN, overall_diameter: 0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-419-6565, 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
549000-038
NSN: 5310-00-419-6565
FSC: 5310 — Nuts and Washers
CAGE: 12436 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DIV BAE SYSTEMS INFORMATION & ELECTRONIC SYSTEMS INTEGRATION INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thickness0.021 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
hole_diameter0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
overall_diameter0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
surface_treatment_document_and_classification58189 ES 337 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-419-6565
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 549000-038 · 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: 58189 ES 337 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
OVERALL DIAMETER: 0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION58189 ES 337 MFR REF SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTPASSIVATE OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL CORROSION RESISTING OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
THICKNESS0.021 INCHES MINIMUM AND 0.027 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 549000-038?
549000-038 is a WASHER,FLAT.
What is the NSN for 549000-038?
549000-038 is cataloged in the U.S. Government catalog under NSN 5310-00-419-6565. This indicates validated use in U.S. government and defense supply chains.
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