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PartsTable / COMPONENT / 2151100003
2151100003 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, hole_diameter: 0.115 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN, hardness_rating: 90.0 ROCKWELL B MINIMUM, outside_diameter: 0.202 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: CADMIUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-584-7948, 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
2151100003
NSN: 5310-00-584-7948
FSC: 5310
CAGE: 57057 — NAVCOM DEFENSE ELECTRONICS, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.115 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN
hardness_rating90.0 ROCKWELL B MINIMUM
outside_diameter0.202 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentCADMIUM OVERALL
material_thickness0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
nondefinitive_spec/std_data1 STYLE AND A CLASS
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-584-7948
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2151100003 · 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
•
MATERIAL THICKNESS: 0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: COPPER ALLOY OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
HARDNESS RATING: 90.0 ROCKWELL B MINIMUM
•
OUTSIDE DIAMETER: 0.202 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.115 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.020 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
SURFACE TREATMENTCADMIUM OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
HARDNESS RATING90.0 ROCKWELL B MINIMUM
OUTSIDE DIAMETER0.202 INCHES MAXIMUM IN
HOLE DIAMETER0.115 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA1 STYLE AND A CLASS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
2074182+2203Interchangeable
interchangeable cross-reference
interchangeable
2151100108Interchangeable
interchangeable cross-reference
interchangeable
820600G29A1Interchangeable
interchangeable cross-reference
interchangeable
MS35337-97Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2151100003?
2151100003 is a WASHER,LOCK.
What parts can replace 2151100003?
There are 4 known substitutes for 2151100003: 2074182+2203, 2151100108, 820600G29A1 and 1 more. Substitute compatibility should be verified for your specific system.
Is 2151100003 still available?
2151100003 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026