PartsTable
Technical Data Sheet
404-28 ✓ Verified by PartsTable
Lindy · 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

USB Type C Port Blockers are useful little devices that system administrators can use to physically prevent access to USB ports. USB Port Blockers allow locks to be inserted and removed from USB ports to stop unauthorised users from inserting pen drives, USB mass storage and mobile devices into shared workstations or devices with USB ports in public spaces.<br><br>To use, simply attach a lock to the key and insert it into the USB port. Release the sliding mechanism on the key to leave the lock in place.

To remove, simply insert the key back into the lock and pull away.<br><br>Please note: this key is only compatible with the corresponding colour of port blocker This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-054-4095, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
404-28
NSN: 5315-00-054-4095
FSC: 5315
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialSTEEL
design_formSTRAIGHT
thread_length3.5 MILLIMETERS MM
first_end_styleSQUARE
features_providedHERMETICALLY SEALED AND PROGRAMMED
first_end_locationTAPERED END
inclosure_materialCERAMIC
memory_device_typeROM
pin_overall_length0.6875 INCHES MINIMUM AND 0.6885 INCHES MAXIMUM IN
operating_temp_range+0.0 TO 75.0 CELSIUS DEGC
pin_size_designation4/0
nominal_overall_length80.250 INCHES IN
NSN5315-00-054-4095
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 404-28 · Lindy ⚠ 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
PIN SIZE DESIGNATION: 4/0
MATERIAL: STEEL COMP 303 OVERALL
FIRST END STYLE: SQUARE
FIRST END LOCATION: TAPERED END
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
PIN OVERALL LENGTH: 0.6875 INCHES MINIMUM AND 0.6885 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
PIN SIZE DESIGNATION4/0
MATERIALSTEEL COMP 303 OVERALL
FIRST END STYLESQUARE
FIRST END LOCATIONTAPERED END
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
PIN OVERALL LENGTH0.6875 INCHES MINIMUM AND 0.6885 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
67-327CInterchangeable
interchangeable cross-reference
interchangeable
806C-10LInterchangeable
interchangeable cross-reference
interchangeable
26423Interchangeable
interchangeable cross-reference
interchangeable
9859-4Interchangeable
interchangeable cross-reference
interchangeable
EY2129Interchangeable
interchangeable cross-reference
interchangeable
4X7063Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 404-28?
404-28 is a MICROCIRCUIT,DIGITAL manufactured by Lindy.
What parts can replace 404-28?
There are 12 known substitutes for 404-28: 67-327C, 806C-10L, 26423 and 9 more. Substitute compatibility should be verified for your specific system.
Is 404-28 still available?
404-28 is currently cancelled.
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