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P253-4 — SWITCH,SENSITIVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

P253-4: SWITCH,SENSITIVE.

The SWITCH,SENSITIVE is a the manufacturer industrial component. Key specifications include material: PLASTIC, body_style: HOLE MOUNTED, actuator_style: ROLLER ARM, inclosure_type: FULLY INCLOSED, mounting_method: UNTHREADED HOLE(S), special_features: T5 CLIP. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-316-0919, 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
P253-4
NSN: 5315-00-316-0919
NIINs: 003160919, 010281967, 015910095
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 8E499 — KOEHRING CRANES AND EXCAVATORS INC SUB OF NORTHWEST ENGINEERING CO (USA)
SPECIFICATIONS
materialPLASTIC
body_styleHOLE MOUNTED
actuator_styleROLLER ARM
inclosure_typeFULLY INCLOSED
mounting_methodUNTHREADED HOLE(S)
special_featuresT5 CLIP
end_item_identificationLIGHT FIXTURE-HI BAY
actuator_roller_diameter0.188 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyCLIP, T5 LAMP SUPPORT
NSN5315-00-316-0919
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: P253-4 · 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
SUBSTITUTES & CROSS-REFERENCES 3
1859A27Reference document
Same NSN cross-reference
Reference document — Secondary reference
BB16085Reference document
Same NSN cross-reference
Reference document — Secondary reference
BB15123Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P253-4?
P253-4 is a SWITCH,SENSITIVE.
What parts can replace P253-4?
There are 3 known substitutes for P253-4: 1859A27, BB16085, BB15123. Substitute compatibility should be verified for your specific system.
What is the NSN for P253-4?
P253-4 is cataloged in the U.S. Government catalog under NSN 5315-00-316-0919. This indicates validated use in U.S. government and defense supply chains.
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