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Technical Data Sheet
PartsTable / MRO / 21678
21678 ✓ Verified by PartsTable
Trust · MRO · MRO_GENERAL
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

High performance, handheld USB microphone for PC and laptop. Key specifications include material: STEEL OVERALL, overall_width: 0.157 INCHES NOMINAL IN, overall_height: 0.157 INCHES NOMINAL IN, overall_length: 3.385 INCHES NOMINAL IN, style_designator: PLAIN, starting_edge_shape: STRAIGHT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-003-4107, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 21678
NSN: 5315-00-003-4107
FSC: 5315
CAGE: 76122 — INDUSTRIAL TECHNOLOGIES AND SERVICES LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.157 INCHES NOMINAL IN
overall_height0.157 INCHES NOMINAL IN
overall_length3.385 INCHES NOMINAL IN
style_designatorPLAIN
starting_edge_shapeSTRAIGHT
NSN5315-00-003-4107
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 21678 · 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
•
STYLE DESIGNATOR: PLAIN
•
STARTING EDGE SHAPE: STRAIGHT
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH3.385 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN
STARTING EDGE SHAPESTRAIGHT
MATERIALSTEEL OVERALL
OVERALL WIDTH0.157 INCHES NOMINAL IN
OVERALL HEIGHT0.157 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
20395-1Interchangeable
interchangeable cross-reference
interchangeable
21678Interchangeable
interchangeable cross-reference
interchangeable
7476323P12Interchangeable
interchangeable cross-reference
interchangeable
NTS1000M2Interchangeable
interchangeable cross-reference
interchangeable
1060Interchangeable
interchangeable cross-reference
interchangeable
M7415134SUB13PT12Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21678?
21678 is a STRAP NUT,PLUG-IN ELECTRONIC COM manufactured by Trust. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21678?
There are 8 known substitutes for 21678: 20395-1, 21678, 7476323P12 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21678?
21678 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-003-4107. 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