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11NK188 — NUT,PLAIN,ASSEMBLED WASHER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

11NK188: NUT,PLAIN,ASSEMBLED WASHER.

The NUT,PLAIN,ASSEMBLED WASHER is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: EXTERNAL TOOTH, nut_height: 0.117 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, hardness_rating: 20.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM, special_features: 3/8;SIZE: 10-32, width_across_flats: 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-717-4818, 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
11NK188
NSN: 5310-01-717-4818
FSC: 5310 — Nuts and Washers
CAGE: 26233 — NYLOK LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleEXTERNAL TOOTH
nut_height0.117 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
hardness_rating20.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
special_features3/8;SIZE: 10-32
width_across_flats0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
nominal_thread_size0.1900 INCHES IN
washer_outside_diameter0.395 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
part_name_assigned_by_controlling_agencyEXTERNAL LOCKWASHER K-LOCK NUTS
NSN5310-01-717-4818
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11NK188 · 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
•
WASHER OUTSIDE DIAMETER: 0.395 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
•
WIDTH ACROSS FLATS: 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
HARDNESS RATING: 20.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
•
NOMINAL THREAD SIZE: 0.1900 INCHES IN
•
NUT HEIGHT: 0.117 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
NUT STYLE: EXTERNAL TOOTH
TECHNICAL CHARACTERISTICS
WASHER OUTSIDE DIAMETER0.395 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
HARDNESS RATING20.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
NOMINAL THREAD SIZE0.1900 INCHES IN
NUT HEIGHT0.117 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
SPECIAL FEATURES3/8;SIZE: 10-32
PART NAME ASSIGNED BY CONTROLLING AGENCYEXTERNAL LOCKWASHER K-LOCK NUTS
NUT STYLEEXTERNAL TOOTH
MATERIALSTEEL CORROSION RESISTING OVERALL
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 11NK188?
11NK188 is a NUT,PLAIN,ASSEMBLED WASHER.
What is the NSN for 11NK188?
11NK188 is cataloged in the U.S. Government catalog under NSN 5310-01-717-4818. This indicates validated use in U.S. government and defense supply chains.
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