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544-3644-002 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

544-3644-002: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, hole_diameter: 0.087 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN, shoulder_height: 0.017 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN, outside_diameter: 0.220 INCHES NOMINAL IN, style_designator: SHOULDERED, shoulder_diameter: 0.156 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-935-3588, 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
544-3644-002
NSN: 5310-00-935-3588
FSC: 5310 — Nuts and Washers
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
hole_diameter0.087 INCHES MINIMUM AND 0.091 INCHES MAXIMUM IN
shoulder_height0.017 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
outside_diameter0.220 INCHES NOMINAL IN
style_designatorSHOULDERED
shoulder_diameter0.156 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
material_thickness0.042 INCHES NOMINAL IN
material_document_and_classificationASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-935-3588
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 544-3644-002 · 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
•
SHOULDER HEIGHT: 0.017 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.220 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.042 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.156 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL COMP 303 OVERALL
TECHNICAL CHARACTERISTICS
SHOULDER HEIGHT0.017 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDERED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.220 INCHES NOMINAL IN
MATERIAL THICKNESS0.042 INCHES NOMINAL IN
SHOULDER DIAMETER0.156 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 303 OVERALL
HOLE DIAMETER0.087 INCHES MINIMUM AND 0.091 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 544-3644-002?
544-3644-002 is a WASHER,SHOULDERED.
What is the NSN for 544-3644-002?
544-3644-002 is cataloged in the U.S. Government catalog under NSN 5310-00-935-3588. 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.