PartsTable
Technical Data Sheet
66638 ✓ Verified by PartsTable
Kensington · 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>Tough lock head</b><br><br>Offering security for devices built with the wedge-shaped lock slot, the 10mm lock head provides trusted protection that only Kensington can provide. The lock head fits slim devices securely while allowing them to remain in complete contact with flat surfaces.<br><br><b>Hidden Pin™ technology</b><br><br>Offers flexible compatibility with all Kensington’s 5mm keying systems, including MicroSaver® 2.0 and ClickSafe® 2.0 locks, so you can leverage Kensington’s custom keying solutions across your organisation. Supported by Kensington’s proven anti-pick Hidden Pin™ technology, the ClickSafe® 2.0 Keyed Lock for Dell devices delivers protection with flexibility.<br><br><b>Carbon steel cable</b><br><br>Offering the same level of cut-resistance and theft-resistance as thicker cables, the carbon steel cable with plastic sheath offers security and greater mobility with 1.8m (6ft) of cable.<br><br><b>Pivot and rotate cable</b><br><br>Fully rotating cable creates great This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-543-2369, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
66638
NSN: 5310-00-543-2369
FSC: 5310
CAGE: 24930 — L3HARRIS TECHNOLOGIES, INC DIV SPACE & AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleROUND
shaft_typeROUND, V FLATTED SINGLE ACTUATOR
nut_diameter3.860 INCHES MINIMUM AND 3.880 INCHES MAXIMUM IN
shaft_length1.470 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class3B
nut_thickness0.375 INCHES NOMINAL IN
overall_width2.570 INCHES MAXIMUM IN
pole_quantity4 EACH SECTION FRONT
terminal_typeTURRET
thread_seriesUN
overall_height3.062 INCHES NOMINAL IN
NSN5310-00-543-2369
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 66638 · Kensington ⚠ 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
DRIVE POINT DEPTH: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
MATERIAL: STEEL OVERALL
THREAD QUANTITY PER INCH: 12
NOMINAL THREAD SIZE: 1.312 INCHES IN
THREAD SERIES: UN
DRIVE POINT WIDTH: 0.375 INCHES NOMINAL IN
NUT DIAMETER: 3.860 INCHES MINIMUM AND 3.880 INCHES MAXIMUM IN
NUT THICKNESS: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
DRIVE POINT DEPTH0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
THREAD QUANTITY PER INCH12
NOMINAL THREAD SIZE1.312 INCHES IN
THREAD SERIESUN
DRIVE POINT WIDTH0.375 INCHES NOMINAL IN
NUT DIAMETER3.860 INCHES MINIMUM AND 3.880 INCHES MAXIMUM IN
NUT THICKNESS0.375 INCHES NOMINAL IN
NUT STYLEROUND
THREAD CLASS3B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
66638Interchangeable
interchangeable cross-reference
interchangeable
8878Interchangeable
interchangeable cross-reference
interchangeable
2183936Interchangeable
interchangeable cross-reference
interchangeable
1465Interchangeable
interchangeable cross-reference
interchangeable
132-356GInterchangeable
interchangeable cross-reference
interchangeable
B94.19 TABLE 64Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 66638?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 66638?
66638 is a CONNECTOR,RECEPTACLE,ELECTRICAL manufactured by Kensington.
What parts can replace 66638?
There are 7 known substitutes for 66638: 66638, 8878, 2183936 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 66638?
66638 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-543-2369. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 66638