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549002-105 — WASHER,SHOULDERED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

549002-105: WASHER,SHOULDERED.

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, hole_diameter: 0.134 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN, shoulder_height: 0.023 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN, outside_diameter: 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN, style_designator: SHOULDERED, shoulder_diameter: 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-145-1803, 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
549002-105
NSN: 5310-00-145-1803
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
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
hole_diameter0.134 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
shoulder_height0.023 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
outside_diameter0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
style_designatorSHOULDERED
shoulder_diameter0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
material_thickness0.060 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5310-00-145-1803
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 549002-105 · 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: 0.023 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDERED
•
OUTSIDE DIAMETER: 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.060 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
HOLE DIAMETER: 0.134 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SHOULDER HEIGHT0.023 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDERED
OUTSIDE DIAMETER0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
MATERIAL THICKNESS0.060 INCHES NOMINAL IN
SHOULDER DIAMETER0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
HOLE DIAMETER0.134 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
417-100-016Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 549002-105?
549002-105 is a WASHER,SHOULDERED.
What parts can replace 549002-105?
There is 1 known substitute for 549002-105: 417-100-016. Substitute compatibility should be verified for your specific system.
What is the NSN for 549002-105?
549002-105 is cataloged in the U.S. Government catalog under NSN 5310-00-145-1803. 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.