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Technical Data Sheet
521000 ✓ 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 PUBLIC ADDRESS SET is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, surface_finish: 63.0 MICROINCHES OUTSIDE DIAMETER, first_end_style: CHAMFERED, second_end_style: RADIUS, pin_overall_length: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, pin_overall_diameter: 0.1251 INCHES MINIMUM AND 0.1253 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-070-2294, 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 521000
NSN: 5315-00-070-2294
FSC: 5315
CAGE: 30715 — SABRELINER CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
surface_finish63.0 MICROINCHES OUTSIDE DIAMETER
first_end_styleCHAMFERED
second_end_styleRADIUS
pin_overall_length0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
pin_overall_diameter0.1251 INCHES MINIMUM AND 0.1253 INCHES MAXIMUM IN
first_end_taper_angle5.0 DEGREES NOMINAL
first_end_taper_length0.034 INCHES NOMINAL IN
end_item_identificationPUBLIC ADDRESS SYSTEM
second_end_corner_radius0.040 INCHES NOMINAL IN
second_end_relationship_with_first_endNOT IDENTICAL
part_name_assigned_by_controlling_agencyX10 EXTENSION KIT, CONVERSION
NSN5315-00-070-2294
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 521000 · 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
FIRST END TAPER LENGTH: 0.034 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
FIRST END STYLE: CHAMFERED
PIN OVERALL DIAMETER: 0.1251 INCHES MINIMUM AND 0.1253 INCHES MAXIMUM IN
MATERIAL: STEEL OVERALL
SURFACE FINISH: 63.0 MICROINCHES OUTSIDE DIAMETER
SECOND END STYLE: RADIUS
SECOND END CORNER RADIUS: 0.040 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END TAPER LENGTH0.034 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
FIRST END STYLECHAMFERED
PIN OVERALL DIAMETER0.1251 INCHES MINIMUM AND 0.1253 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER
SECOND END STYLERADIUS
SECOND END CORNER RADIUS0.040 INCHES NOMINAL IN
FIRST END TAPER ANGLE5.0 DEGREES NOMINAL
PIN OVERALL LENGTH0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
99-109-06Interchangeable
interchangeable cross-reference
interchangeable
10-20688Interchangeable
interchangeable cross-reference
interchangeable
214RInterchangeable
interchangeable cross-reference
interchangeable
X79217Interchangeable
interchangeable cross-reference
interchangeable
10386409Interchangeable
interchangeable cross-reference
interchangeable
1/8 X 3/8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 521000?
521000 is a PUBLIC ADDRESS SET. It is classified as a MRO (MRO_GENERAL).
What parts can replace 521000?
There are 13 known substitutes for 521000: 99-109-06, 10-20688, 214R and 10 more. Substitute compatibility should be verified for your specific system.
Is 521000 still available?
521000 is currently cancelled.
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