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Technical Data Sheet
PartsTable / COMPONENT / 25623-3
25623-3 ✓ 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

HEATING ELEMENT,ELECTRICAL,IMMER. Key specifications include length: 18.250 INCHES NOMINAL IN, material: NICKEL AND CHROMIUM SHEATH, body_style: FLANGE, TYPE, hole_diameter: 0.750 INCHES NOMINAL IN, overall_length: 22.750 INCHES NOMINAL IN, flange_diameter: 7.500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-010-3496, 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
25623-3
NSN: 5315-00-010-3496
FSC: 5315
CAGE: 08683 — BROCKWAY MOTOR TRUCKS DIV OF MACK TRUCKS INC (USA)
SPECIFICATIONS
length18.250 INCHES NOMINAL IN
materialNICKEL AND CHROMIUM SHEATH
body_styleFLANGE, TYPE
heat_quantity1
hole_diameter0.750 INCHES NOMINAL IN
overall_length22.750 INCHES NOMINAL IN
flange_diameter7.500 INCHES NOMINAL IN
thread_quantity32.0 PER INCH SCREW
element_quantity3
flange_thickness0.937 INCHES NOMINAL IN
terminal_quantity6
nominal_thread_size0.164 INCHES SCREW IN
NSN5315-00-010-3496
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 25623-3 · 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
•
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN: 0.156 INCHES NOMINAL IN
•
FIRST HOLE DIAMETER: 0.1094 INCHES NOMINAL IN
•
HEIGHT: 0.125 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
•
UNDER HEAD LENGTH: 1.094 INCHES NOMINAL IN
•
DIAMETER: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
PIN HEAD DIAMETER: 0.500 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1010 OR STEEL COMP 1111 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN0.156 INCHES NOMINAL IN
FIRST HOLE DIAMETER0.1094 INCHES NOMINAL IN
HEIGHT0.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
UNDER HEAD LENGTH1.094 INCHES NOMINAL IN
DIAMETER0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
PIN HEAD DIAMETER0.500 INCHES NOMINAL IN
MATERIALSTEEL COMP 1010 OR STEEL COMP 1111 OVERALL
HEAD STYLEFLAT
CHAMFER LENGTH0.078 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
G12403000Interchangeable
interchangeable cross-reference
interchangeable
810726Interchangeable
interchangeable cross-reference
interchangeable
C7Interchangeable
interchangeable cross-reference
interchangeable
TMI303BInterchangeable
interchangeable cross-reference
interchangeable
25623-3Interchangeable
interchangeable cross-reference
interchangeable
530-521Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 25623-3?
25623-3 is a HEATING ELEMENT,ELECTRICAL,IMMER.
What parts can replace 25623-3?
There are 31 known substitutes for 25623-3: G12403000, 810726, C7 and 28 more. Substitute compatibility should be verified for your specific system.
Is 25623-3 still available?
25623-3 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026