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Technical Data Sheet
120390 ✓ Verified by PartsTable
· 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

The SWITCH,FLOW is a the manufacturer industrial component. Key specifications include material: STEEL OUTER LAYER, thickness: 0.120 INCHES NOMINAL IN, body_style: BUSHING MOUNTED, body_width: 0.625 INCHES NOMINAL IN, body_height: 1.094 INCHES NOMINAL IN, body_length: 0.781 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-012-0390, 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 120390
NSN: 5310-00-012-0390
FSC: 5310
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OUTER LAYER
thickness0.120 INCHES NOMINAL IN
body_styleBUSHING MOUNTED
body_width0.625 INCHES NOMINAL IN
body_height1.094 INCHES NOMINAL IN
body_length0.781 INCHES NOMINAL IN
corner_shapeSQUARE ALL CORNERS
hole_diameter0.3800 INCHES NOMINAL FIRST IN
bushing_length0.359 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_length1.9100 INCHES NOMINAL IN
mounting_methodTHREADED BUSHING
NSN5310-00-012-0390
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 120390 · OEM ⚠ 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
OVERALL DIAMETER: 1.375 INCHES NOMINAL IN
HOLE DIAMETER: 0.562 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
THICKNESS: 0.109 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA: A TYPE
CENTER HOLE SHAPE STYLE: ROUND
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
DEPARTURE FROM CITED DOCUMENT: AS MODIFIEDBY SURFACE FINISH
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER1.375 INCHES NOMINAL IN
HOLE DIAMETER0.562 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
THICKNESS0.109 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATAA TYPE
CENTER HOLE SHAPE STYLEROUND
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
DEPARTURE FROM CITED DOCUMENTAS MODIFIEDBY SURFACE FINISH
PERIPHERAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
DM6633ALTFPC6Interchangeable
interchangeable cross-reference
interchangeable
5-8INBALLGRADE2SInterchangeable
interchangeable cross-reference
interchangeable
120-390Interchangeable
interchangeable cross-reference
interchangeable
WF18Interchangeable
interchangeable cross-reference
interchangeable
01-11523Interchangeable
interchangeable cross-reference
interchangeable
14546Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120390?
120390 is a SWITCH,FLOW. It is classified as a MRO (MRO_GENERAL).
What parts can replace 120390?
There are 19 known substitutes for 120390: DM6633ALTFPC6, 5-8INBALLGRADE2S, 120-390 and 16 more. Substitute compatibility should be verified for your specific system.
Is 120390 still available?
120390 is currently cancelled.
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