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PartsTable / COMPONENT / 505-073
505-073 ✓ 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 TRANSISTOR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1117 OR STEEL COMP 1118 OVERALL, overall_length: 0.320 INCHES MAXIMUM IN, first_end_style: CHAMFERED, mounting_method: THREADED STUD(S), overall_diameter: 0.437 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: NPN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-050-5073, 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
505-073
NSN: 5315-00-050-5073
FSC: 5315
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL COMP 1117 OR STEEL COMP 1118 OVERALL
overall_length0.320 INCHES MAXIMUM IN
first_end_styleCHAMFERED
mounting_methodTHREADED STUD(S)
overall_diameter0.437 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
pin_overall_length1.468 INCHES MINIMUM AND 1.478 INCHES MAXIMUM IN
first_hole_diameter0.107 INCHES NOMINAL IN
nominal_thread_size0.190 INCHES IN
pin_overall_diameter0.3720 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
second_hole_diameter0.107 INCHES NOMINAL IN
NSN5315-00-050-5073
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 505-073 · 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 HOLE DIAMETER: 0.107 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
MATERIAL: STEEL COMP 1117 OR STEEL COMP 1118 OVERALL
•
PIN OVERALL DIAMETER: 0.3720 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 1.468 INCHES MINIMUM AND 1.478 INCHES MAXIMUM IN
•
HOLE ARRANGEMENT STYLE: BOTH END DRILLED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
FIRST END TAPER ANGLE: 15.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
SECOND HOLE DIAMETER0.107 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
MATERIALSTEEL COMP 1117 OR STEEL COMP 1118 OVERALL
PIN OVERALL DIAMETER0.3720 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
PIN OVERALL LENGTH1.468 INCHES MINIMUM AND 1.478 INCHES MAXIMUM IN
HOLE ARRANGEMENT STYLEBOTH END DRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL
FIRST END TAPER ANGLE15.0 DEGREES NOMINAL
FIRST HOLE DIAMETER0.107 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN HOLES1.157 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
2N4440Interchangeable
interchangeable cross-reference
interchangeable
RELEASE5400Interchangeable
interchangeable cross-reference
interchangeable
505-073Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 505-073?
505-073 is a TRANSISTOR.
What parts can replace 505-073?
There are 3 known substitutes for 505-073: 2N4440, RELEASE5400, 505-073. Substitute compatibility should be verified for your specific system.
What is the NSN for 505-073?
505-073 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-050-5073. 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