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Technical Data Sheet
PartsTable / COMPONENT / 5139-5
5139-5 ✓ Verified by PartsTable
— · 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,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1006 OR STEEL COMP 1020 OVERALL, thickness: 0.133 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, hole_diameter: 0.502 INCHES MINIMUM AND 0.509 INCHES MAXIMUM IN, inclosure_type: OPEN, surface_finish: 32.0 MICROINCHES TOP, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-356-3480, 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
5139-5
NSN: 5310-00-356-3480
FSC: 5310
CAGE: 82423 — KLEINSCHMIDT INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1006 OR STEEL COMP 1020 OVERALL
thickness0.133 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
hole_diameter0.502 INCHES MINIMUM AND 0.509 INCHES MAXIMUM IN
inclosure_typeOPEN
surface_finish32.0 MICROINCHES TOP
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating100.0 HERTZ MINIMUM AND 8.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
overall_diameter0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
surface_treatmentPHOSPHATE OVERALL
mounting_hole_diameter0.188 INCHES NOMINAL SINGLE GROUP IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
NSN5310-00-356-3480
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5139-5 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
SURFACE FINISH: 32.0 MICROINCHES TOP
•
MATERIAL: STEEL COMP 1006 OR STEEL COMP 1020 OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
THICKNESS: 0.133 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.502 INCHES MINIMUM AND 0.509 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE FINISH32.0 MICROINCHES TOP
MATERIALSTEEL COMP 1006 OR STEEL COMP 1020 OVERALL
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.133 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
HOLE DIAMETER0.502 INCHES MINIMUM AND 0.509 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
SURFACE FINISH32.0 MICROINCHES BOTTOM
SURFACE TREATMENTPHOSPHATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072,E211 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
5139Interchangeable
interchangeable cross-reference
interchangeable
5139-5Interchangeable
interchangeable cross-reference
interchangeable
65300049Interchangeable
interchangeable cross-reference
interchangeable
17-5624Interchangeable
interchangeable cross-reference
interchangeable
9140-1226Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5139-5?
5139-5 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 5139-5?
There are 5 known substitutes for 5139-5: 5139, 5139-5, 65300049 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5139-5?
5139-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-356-3480. 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