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Technical Data Sheet
PartsTable / COMPONENT / 101209-1
101209-1 ✓ Verified by PartsTable
3M · 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

The TRANSFORMER,POWER is a 3M industrial component. Key specifications include cooling_type: FINS, hole_diameter: 0.203 INCHES NOMINAL IN, overall_width: 10.594 INCHES NOMINAL IN, cooling_method: SELF-COOLED, inclosure_type: FULLY INCLOSED, overall_height: 10.219 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-093-5592, 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
101209-1
NSN: 5310-00-093-5592
FSC: 5310
CAGE: 59501 — UNISON INDUSTRIES LLC (USA)
SPECIFICATIONS
cooling_typeFINS
hole_diameter0.203 INCHES NOMINAL IN
overall_width10.594 INCHES NOMINAL IN
cooling_methodSELF-COOLED
inclosure_typeFULLY INCLOSED
overall_height10.219 INCHES NOMINAL IN
overall_length12.656 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
frequency_rating60.0 HERTZ NOMINAL SINGLE COMPONENT
outside_diameter0.437 INCHES NOMINAL IN
special_featuresT FORMATION CABLE,HORIZONTAL LENGTH15.417 FEET,VERTICAL LENGTH 2.500 FEET,EACH ENDTERMINATED WITH A CONNECTOR PLUG FT
style_designatorKEY
NSN5310-00-093-5592
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 101209-1 · 3M ⚠ 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 DISTANCE INCLUDING KEYS: 0.562 INCHES NOMINAL IN
•
EXTERNAL STRAIGHT KEY WIDTH: 0.187 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.031 INCHES NOMINAL IN
•
STYLE DESIGNATOR: KEY
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.437 INCHES NOMINAL IN
•
EXTERNAL STRAIGHT KEY LENGTH: 0.0625 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.203 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DISTANCE INCLUDING KEYS0.562 INCHES NOMINAL IN
EXTERNAL STRAIGHT KEY WIDTH0.187 INCHES MAXIMUM IN
MATERIAL THICKNESS0.031 INCHES NOMINAL IN
STYLE DESIGNATORKEY
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.437 INCHES NOMINAL IN
EXTERNAL STRAIGHT KEY LENGTH0.0625 INCHES NOMINAL IN
HOLE DIAMETER0.203 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
1012091Interchangeable
interchangeable cross-reference
interchangeable
5326GP3Interchangeable
interchangeable cross-reference
interchangeable
5326Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 101209-1?
101209-1 is a TRANSFORMER,POWER manufactured by 3M.
What parts can replace 101209-1?
There are 3 known substitutes for 101209-1: 1012091, 5326GP3, 5326. Substitute compatibility should be verified for your specific system.
What is the NSN for 101209-1?
101209-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-093-5592. 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