PartsTable
Technical Data Sheet
23991 ✓ 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

<b>Cover the Basics</b><br><br>Keyboards come in all shapes and sizes, but what if you only need to cover the basics? The Trust Primo does exactly that. It has a full-size layout, spill resistant keys and it’s height adjustable. It even comes with a simple, ambidextrous mouse so you can go to work the moment you plug this set in your PC.

The Primo does exactly what you want it to do.<br><br><b>Comfort</b><br><br>A good keyboard needs to be comfortable to use. The low profile keys in this full-size keyboard and the fold-out feet provide exactly the comfort you need to focus on your work. You don’t even have to worry about spilling something on the Primo, as the spill resistant design will let you continue your work without hassle.

Just poor yourself a new cup of coffee and let’s go.<br><br><b>Easy</b><br><br>Plug in the 180cm long USB cable and you’re good. When you’ve got work to do, you don’t want to worry about installing software or setting macros. The Primo is a workhorse so you ca This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-135-7266, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
23991
NSN: 5310-00-135-7266
FSC: 5310
CAGE: 81142 — EATON CORP AXLE DIV (USA)
SPECIFICATIONS
blade_lockNOT INCLUDED
blade_shapeTAPERED
blade_length3.000 INCHES NOMINAL IN
blade_quantity11
blade_tip_width0.500 INCHES NOMINAL IN
special_featuresBLADES SIZE 0.0015 TO 0.0250 IN. IN
measurement_systemENGLISH
blade_group_quantity1
NSN5310-00-135-7266
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 23991 · 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 7
23991Interchangeable
interchangeable cross-reference
interchangeable
2467Interchangeable
interchangeable cross-reference
interchangeable
AN-6290-4Interchangeable
interchangeable cross-reference
interchangeable
D6-4Interchangeable
interchangeable cross-reference
interchangeable
AS28778-4Interchangeable
interchangeable cross-reference
interchangeable
14B409Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 23991?
23991 is a GAGE,THICKNESS manufactured by Disguise.
What parts can replace 23991?
There are 7 known substitutes for 23991: 23991, 2467, AN-6290-4 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 23991?
23991 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-135-7266. This indicates validated use in U.S. government and defense supply chains.
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