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Technical Data Sheet
PartsTable / COMPONENT / 123-38
123-38 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL OVERALL, lens_type: FLAT, RECTANGULAR SINGLE LIGHT FIRST POSITION HORIZONTAL, thickness: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, body_shape: ROUND, body_width: 1.219 INCHES NOMINAL IN, lens_color: COLORLESS SINGLE LIGHT FIRST POSITION HORIZONTAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-025-7309, 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
123-38
NSN: 5310-00-025-7309
FSC: 5310
CAGE: 1PQF4 — CAE USA INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
lens_typeFLAT, RECTANGULAR SINGLE LIGHT FIRST POSITION HORIZONTAL
thickness0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
body_shapeROUND
body_width1.219 INCHES NOMINAL IN
lens_colorCOLORLESS SINGLE LIGHT FIRST POSITION HORIZONTAL
body_height0.953 INCHES NOMINAL IN
body_length1.344 INCHES NOMINAL IN
design_typeDRY
lens_legendNO-GO/GO SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A
coolant_typeAIR
filter_colorRED AND GREEN SINGLE LIGHT FIRST POSITION HORIZONTAL HORIZONTAL SPLIT DISPLAY DIVISION A
NSN5310-00-025-7309
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 123-38 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
OVERALL DIAMETER: 0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
THICKNESS: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1010 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
OVERALL DIAMETER0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
HOLE DIAMETER0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1010 OVERALL
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
123-0038Interchangeable
interchangeable cross-reference
interchangeable
123-38Interchangeable
interchangeable cross-reference
interchangeable
20665001-8Interchangeable
interchangeable cross-reference
interchangeable
80EA1C1F2RGL17N16N0G0G0Interchangeable
interchangeable cross-reference
interchangeable
105481Interchangeable
interchangeable cross-reference
interchangeable
10615Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 123-38?
123-38 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 123-38?
There are 12 known substitutes for 123-38: 123-0038, 123-38, 20665001-8 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 123-38?
123-38 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-025-7309. 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