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95584A209 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

95584A209: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, hole_diameter: 0.320 INCHES NOMINAL IN, outside_diameter: 0.610 INCHES NOMINAL IN, special_features: OEM TORTOISE FASTENER; CAGE UNKNOWN, style_designator: FLAT EXTERNAL TEETH, material_thickness: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-643-8377, 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
95584A209
NSN: 5310-01-643-8377
FSC: 5310 — Nuts and Washers
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
hole_diameter0.320 INCHES NOMINAL IN
outside_diameter0.610 INCHES NOMINAL IN
special_featuresOEM TORTOISE FASTENER; CAGE UNKNOWN
style_designatorFLAT EXTERNAL TEETH
material_thickness0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
end_item_identification5419-01-539-7180
part_name_assigned_by_controlling_agencyEXTERNAL-TOOTH LOCK WASHER
NSN5310-01-643-8377
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 95584A209 · 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
•
STYLE DESIGNATOR: FLAT EXTERNAL TEETH
•
OUTSIDE DIAMETER: 0.610 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 302 OVERALL
•
HOLE DIAMETER: 0.320 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORFLAT EXTERNAL TEETH
OUTSIDE DIAMETER0.610 INCHES NOMINAL IN
MATERIAL THICKNESS0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
SPECIAL FEATURESOEM TORTOISE FASTENER; CAGE UNKNOWN
PART NAME ASSIGNED BY CONTROLLING AGENCYEXTERNAL-TOOTH LOCK WASHER
END ITEM IDENTIFICATION5419-01-539-7180
MATERIALSTEEL COMP 302 OVERALL
HOLE DIAMETER0.320 INCHES NOMINAL 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 1
M1171-983164Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 95584A209?
95584A209 is a WASHER,LOCK.
What parts can replace 95584A209?
There is 1 known substitute for 95584A209: M1171-983164. Substitute compatibility should be verified for your specific system.
What is the NSN for 95584A209?
95584A209 is cataloged in the U.S. Government catalog under NSN 5310-01-643-8377. 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.