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Technical Data Sheet
PartsTable / COMPONENT / 21-384
21-384 ✓ Verified by PartsTable
Trust · 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

Wireless keyboard and mouse with silent keys, for quiet typing and clicking<br><br><b>MOUSE</b><br>- Comfortable wireless mouse with advanced silent keys<br>- Advanced optical sensor for accurate control<br>- Ergonomically shaped thumb rest for comfortable grip<br>- 4 Thumb buttons: Windows start menu, Zoom in/out & Browser back/next<br>- Rubber coated surface for a soft touch feeling<br>- Mouse speed selectable in 3 steps (800/1200/1600 dpi)<br>- Battery status & mouse speed LED indicators<br>- Smooth, low-friction gliding pads<br>- On-off button<br>- 10m wireless range<br><br><b>KEYBOARD</b><br>- Compact and flat wireless keyboard with silent keys<br>- Low profile keys with a soft and quiet key stroke for comfortable typing<br>- 8 special function keys to control volume, start search and more<br>- Foldable feet to change typing angle<br>- Rubber pads to assure stable keyboard position<br>- 10m wireless range This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-086-8972, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
21-384
NSN: 5315-00-086-8972
FSC: 5315
CAGE: 77820 — AMPHENOL CORP DIV AMPHENOL AEROSPACE OPERATIONS (USA)
SPECIFICATIONS
end_item_identificationVENT CONTROL
part_name_assigned_by_controlling_agency1.00 INCH IN
NSN5315-00-086-8972
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 21-384 · Trust ⚠ 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
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 302 OVERALL
•
PIN OVERALL LENGTH: 0.750 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
FIRST END OUTER RADIUS: 0.062 INCHES NOMINAL IN
•
PIN OVERALL DIAMETER: 0.1250 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM IN
•
FIRST END STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 302 OVERALL
PIN OVERALL LENGTH0.750 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
FIRST END OUTER RADIUS0.062 INCHES NOMINAL IN
PIN OVERALL DIAMETER0.1250 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM IN
FIRST END STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
7040012Interchangeable
interchangeable cross-reference
interchangeable
21-384Interchangeable
interchangeable cross-reference
interchangeable
80728Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-12875Interchangeable
interchangeable cross-reference
interchangeable
40-1-2IN-SWCEENInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21-384?
21-384 is a KEY,SOCKET HEAD SCREW manufactured by Trust.
What parts can replace 21-384?
There are 5 known substitutes for 21-384: 7040012, 21-384, 80728 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21-384?
21-384 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-086-8972. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026