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Technical Data Sheet
PartsTable / COMPONENT / PM-21140
PM-21140 ✓ 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 PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, first_end_style: SQUARE, surface_treatment: CADMIUM OVERALL, pin_overall_length: 0.546 INCHES NOMINAL IN, pin_overall_diameter: 0.0650 INCHES MINIMUM AND 0.0700 INCHES MAXIMUM IN, second_end_relationship_with_first_end: IDENTICAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-248-9385, 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
PM-21140
NSN: 5315-00-248-9385
FSC: 5315
CAGE: 81579 — MASON ELECTRIC CO. DBA MASON CONTROLS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
first_end_styleSQUARE
surface_treatmentCADMIUM OVERALL
pin_overall_length0.546 INCHES NOMINAL IN
pin_overall_diameter0.0650 INCHES MINIMUM AND 0.0700 INCHES MAXIMUM IN
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-248-9385
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PM-21140 · 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
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
FIRST END STYLE: SQUARE
•
PIN OVERALL DIAMETER: 0.0650 INCHES MINIMUM AND 0.0700 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 0.546 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
FIRST END STYLESQUARE
PIN OVERALL DIAMETER0.0650 INCHES MINIMUM AND 0.0700 INCHES MAXIMUM IN
PIN OVERALL LENGTH0.546 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
21-140Interchangeable
interchangeable cross-reference
interchangeable
600-GP-21Interchangeable
interchangeable cross-reference
interchangeable
600C21NHInterchangeable
interchangeable cross-reference
interchangeable
A326167Interchangeable
interchangeable cross-reference
interchangeable
49455QHCInterchangeable
interchangeable cross-reference
interchangeable
37-1000-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PM-21140?
PM-21140 is a PIN,STRAIGHT,HEADLESS.
What parts can replace PM-21140?
There are 14 known substitutes for PM-21140: 21-140, 600-GP-21, 600C21NH and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PM-21140?
PM-21140 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-248-9385. 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