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Technical Data Sheet
PartsTable / MRO / 138166
138166 ✓ Verified by PartsTable
Hama · MRO · MRO_GENERAL
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 SWITCH,PUSH is a Hama industrial component. Key specifications include hole_diameter: 0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, outside_diameter: 0.325 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN, style_designator: FLAT INTERNAL TEETH, surface_treatment: PHOSPHATE OVERALL, material_thickness: 0.018 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-013-8166, 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
MRO→ MRO_GENERAL→ 138166
NSN: 5310-00-013-8166
FSC: 5310
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
hole_diameter0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
outside_diameter0.325 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
style_designatorFLAT INTERNAL TEETH
surface_treatmentPHOSPHATE OVERALL
material_thickness0.018 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
terminal_type_and_quantity3 TAB, SOLDER LUG
nondefinitive_spec/std_dataA TYPE
nonpile-up_contact_arrangement1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
maximum_voltage_rating_in_volts28.0 DC
contact_load_current_rating_at_maximum_rated_voltage20.000 AMPERES RESISTIVE DC
NSN5310-00-013-8166
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 138166 · Hama ⚠ 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: 0.018 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.325 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: FLAT INTERNAL TEETH
•
NONDEFINITIVE SPEC/STD DATA: A TYPE
•
SURFACE TREATMENT: PHOSPHATE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.018 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
HOLE DIAMETER0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.325 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
STYLE DESIGNATORFLAT INTERNAL TEETH
NONDEFINITIVE SPEC/STD DATAA TYPE
SURFACE TREATMENTPHOSPHATE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
138166Interchangeable
interchangeable cross-reference
interchangeable
115544Interchangeable
interchangeable cross-reference
interchangeable
138530Interchangeable
interchangeable cross-reference
interchangeable
MS35333-38Interchangeable
interchangeable cross-reference
interchangeable
MS35333-55Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 138166?
138166 is a SWITCH,PUSH manufactured by Hama. It is classified as a MRO (MRO_GENERAL).
What parts can replace 138166?
There are 5 known substitutes for 138166: 138166, 115544, 138530 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 138166?
138166 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-013-8166. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026