PartsTable
Technical Data Sheet
12539 ✓ Verified by PartsTable
Disguise · 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 Sandberg Bluetooth® Chameleon Headset allows you to make hands-free and wireless calls using Bluetooth®-compatible equipment such as a mobile phone or computer. It gives you free movement within a radius of up to 10 metres from the connected device, enabling you to get on with other things while you are chatting. The pack includes 5 extra covers in various colours, allowing you to change the colour of the headset to suit your mood.

English manual. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-257-9010, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
12539
NSN: 5310-01-257-9010
FSC: 5310
CAGE: 03798 — WESTERBEKE CORPORATION (USA)
SPECIFICATIONS
end_item_identificationF/A-22 RAPTOR.
NSN5310-01-257-9010
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12539 · Disguise ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
B-12297Interchangeable
interchangeable cross-reference
interchangeable
12297Interchangeable
interchangeable cross-reference
interchangeable
B1092-1Interchangeable
interchangeable cross-reference
interchangeable
12539Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12539?
12539 is a VALVE,SAFETY RELIEF manufactured by Disguise.
What parts can replace 12539?
There are 4 known substitutes for 12539: B-12297, 12297, B1092-1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12539?
12539 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-257-9010. This indicates validated use in U.S. government and defense supply chains.
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