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Technical Data Sheet
PartsTable / COMPONENT / 1620AC1-000
1620AC1-000 ✓ 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,HOLLOW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 AND STEEL OVERALL, first_end_style: SQUARE W/THRU HOLE, inside_diameter: 0.625 INCHES NOMINAL IN, pin_overall_length: 1.500 INCHES NOMINAL IN, pin_overall_diameter: 0.8740 INCHES NOMINAL 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 5315-00-830-7995, 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
1620AC1-000
NSN: 5315-00-830-7995
FSC: 5315
CAGE: 81996 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 AND STEEL OVERALL
first_end_styleSQUARE W/THRU HOLE
inside_diameter0.625 INCHES NOMINAL IN
pin_overall_length1.500 INCHES NOMINAL IN
pin_overall_diameter0.8740 INCHES NOMINAL IN
material_document_and_classificationMIL-S-6758 COMP 4130 C4 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6736 COMP 4130 COND N MIL SPEC 2ND MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-830-7995
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1620AC1-000 · 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
•
PIN OVERALL LENGTH: 1.500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758 COMP 4130 C4 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6736 COMP 4130 COND N MIL SPEC 2ND MATERIAL RESPONSE OVERALL
•
PIN OVERALL DIAMETER: 0.8740 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 4130 AND STEEL OVERALL
•
INSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARE W/THRU HOLE
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
TECHNICAL CHARACTERISTICS (FLIS)
PIN OVERALL LENGTH1.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 COMP 4130 C4 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6736 COMP 4130 COND N MIL SPEC 2ND MATERIAL RESPONSE OVERALL
PIN OVERALL DIAMETER0.8740 INCHES NOMINAL IN
MATERIALSTEEL COMP 4130 AND STEEL OVERALL
INSIDE DIAMETER0.625 INCHES NOMINAL IN
FIRST END STYLESQUARE W/THRU HOLE
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
47-724-065-1Interchangeable
interchangeable cross-reference
interchangeable
1325Interchangeable
interchangeable cross-reference
interchangeable
SM-C-148833Interchangeable
interchangeable cross-reference
interchangeable
51545Interchangeable
interchangeable cross-reference
interchangeable
1545Interchangeable
interchangeable cross-reference
interchangeable
319528Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1620AC1-000?
1620AC1-000 is a PIN,HOLLOW.
What parts can replace 1620AC1-000?
There are 7 known substitutes for 1620AC1-000: 47-724-065-1, 1325, SM-C-148833 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1620AC1-000?
1620AC1-000 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-830-7995. 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