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205217-1301-18 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

205217-1301-18: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include hole_diameter: 3.60 MILLIMETERS NOMINAL MM, outside_diameter: 6.70 MILLIMETERS NOMINAL MM, special_features: SPECIFICATION: DIN 127B; NOMINAL SIZE: M3.5; GRADE A2, style_designator: SPLIT HELICAL-RIGHT HAND, material_thickness: 0.80 MILLIMETERS NOMINAL MM, end_item_identification: 5895-01-608-2698. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-617-9333, 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
205217-1301-18
NSN: 5310-01-617-9333
FSC: 5310 — Nuts and Washers
CAGE: 0EFD0 — ROCKWELL COLLINS, INC. (USA)
SPECIFICATIONS
hole_diameter3.60 MILLIMETERS NOMINAL MM
outside_diameter6.70 MILLIMETERS NOMINAL MM
special_featuresSPECIFICATION: DIN 127B; NOMINAL SIZE: M3.5; GRADE A2
style_designatorSPLIT HELICAL-RIGHT HAND
material_thickness0.80 MILLIMETERS NOMINAL MM
end_item_identification5895-01-608-2698
part_name_assigned_by_controlling_agencyM3.5 A2 STAINLESS STEEL DIN 127 B LOCK WASHER
NSN5310-01-617-9333
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 205217-1301-18 · 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: SPLIT HELICAL-RIGHT HAND
•
OUTSIDE DIAMETER: 6.70 MILLIMETERS NOMINAL MM
•
MATERIAL THICKNESS: 0.80 MILLIMETERS NOMINAL MM
•
HOLE DIAMETER: 3.60 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER6.70 MILLIMETERS NOMINAL MM
MATERIAL THICKNESS0.80 MILLIMETERS NOMINAL MM
SPECIAL FEATURESSPECIFICATION: DIN 127B; NOMINAL SIZE: M3.5; GRADE A2
PART NAME ASSIGNED BY CONTROLLING AGENCYM3.5 A2 STAINLESS STEEL DIN 127 B LOCK WASHER
END ITEM IDENTIFICATION5895-01-608-2698
HOLE DIAMETER3.60 MILLIMETERS NOMINAL MM
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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 205217-1301-18?
205217-1301-18 is a WASHER,LOCK.
What is the NSN for 205217-1301-18?
205217-1301-18 is cataloged in the U.S. Government catalog under NSN 5310-01-617-9333. 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.