PartsTable
Technical Data Sheet
PartsTable / MRO / 1418-4
1418-4 ✓ Verified by PartsTable
Trust · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

Optical Combi Mini Mouse MI-2550Xp<br>Compact 3 button optical scroll-mouse, suitable for left and right handed users<br>Ideal for notebook users: compact design with low power consumption<br>High quality optical sensor for increased accuracy<br>Suitable for USB and PS/2 connections<br>Free protective carry bag included This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-165-7598, 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→ 1418-4
NSN: 5325-00-165-7598
FSC: 5325
CAGE: 98810 — AEROSONIC LLC (USA)
SPECIFICATIONS
diameter0.125 INCHES NOMINAL IN
materialSTEEL
head_styleFLUSH COUNTERSUNK
ring_styleWIRE
wheel_typePNEUMATIC TIRE
duty_ratingMEDIUM SERVICE
grip_length0.189 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
plate_styleSQUARE
shank_styleSTUMP
tread_width1.375 INCHES NOMINAL IN
throat_depth2.375 INCHES NOMINAL IN
usage_designEXTERNAL
NSN5325-00-165-7598
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1418-4 · Trust ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OUTSIDE DIAMETER: 2.862 INCHES MINIMUM AND 2.865 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: COPPER ALLOY 510 OR COPPER ALLOY 524 OR COPPER ALLOY 544
•
SURFACE TREATMENT: PLASTIC POLYTETRAFLUOROETHYLENE
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
USAGE DESIGN: EXTERNAL
•
RING STYLE: WIRE
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER2.862 INCHES MINIMUM AND 2.865 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-750 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY 510 OR COPPER ALLOY 524 OR COPPER ALLOY 544
SURFACE TREATMENTPLASTIC POLYTETRAFLUOROETHYLENE
CASEHARDENING INDICATORNOT CASEHARDENED
USAGE DESIGNEXTERNAL
RING STYLEWIRE
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MAJOR THICKNESS0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN
INSIDE DIAMETER2.683 INCHES MINIMUM AND 2.688 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
A-A-431Interchangeable
interchangeable cross-reference
interchangeable
78-110Interchangeable
interchangeable cross-reference
interchangeable
14184Interchangeable
interchangeable cross-reference
interchangeable
BACB30AT8-4Interchangeable
interchangeable cross-reference
interchangeable
NAS1418-04Interchangeable
interchangeable cross-reference
interchangeable
52391-10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1418-4?
1418-4 is a RETAINER,ELECTRICAL SWITCH manufactured by Trust. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1418-4?
There are 11 known substitutes for 1418-4: A-A-431, 78-110, 14184 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1418-4?
1418-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-165-7598. 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