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Technical Data Sheet
28376 ✓ Verified by PartsTable
· 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,SENSITIVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP 41L40 OVERALL, ring_style: HOOKED WIRE, usage_design: INTERNAL, hardness_rating: 27.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL, inside_diameter: 0.851 INCHES MINIMUM AND 0.879 INCHES MAXIMUM IN, outside_diameter: 0.980 INCHES MINIMUM AND 1.000 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 5310-00-111-0363, 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 28376
NSN: 5310-00-111-0363
FSC: 5310
CAGE: 64104 — DRESSER, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP 41L40 OVERALL
ring_styleHOOKED WIRE
usage_designINTERNAL
hardness_rating27.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
inside_diameter0.851 INCHES MINIMUM AND 0.879 INCHES MAXIMUM IN
outside_diameter0.980 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
material_diameter0.061 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
casehardening_indicatorNOT CASEHARDENED
end_item_identificationROTARY HYDRAULIC ACTUATOR, MODEL 1150-A
cross-sectional_shape_styleROUND
material_document_and_classificationAISI 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyPISTON RACK
NSN5310-00-111-0363
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 28376 · 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
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MAGNETIC PERMEABILITY SHALL BE LESS THAN 1.2 BEFORE FABRICATION AND NOT GREATER THAN 2.0 AFTER FABRICATION AS MEASURED IN A 200 OERSTED FIELD
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMAGNETIC PERMEABILITY SHALL BE LESS THAN 1.2 BEFORE FABRICATION AND NOT GREATER THAN 2.0 AFTER FABRICATION AS MEASURED IN A 200 OERSTED FIELD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
1A60407Interchangeable
interchangeable cross-reference
interchangeable
ERA264Interchangeable
interchangeable cross-reference
interchangeable
25195Interchangeable
interchangeable cross-reference
interchangeable
28376Interchangeable
interchangeable cross-reference
interchangeable
1150-28310Interchangeable
interchangeable cross-reference
interchangeable
1150-28310 ITEM 3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28376?
28376 is a SWITCH,SENSITIVE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 28376?
There are 6 known substitutes for 28376: 1A60407, ERA264, 25195 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 28376?
28376 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-111-0363. This indicates validated use in U.S. government and defense supply chains.
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