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54169 ✓ Verified by PartsTable
Trefl · 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 MICROCIRCUIT ASSEMBLY is a Trefl industrial component. Key specifications include material: STEEL COMP 52100 OVERALL, body_width: 0.514 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN, body_height: 0.205 INCHES MAXIMUM IN, body_length: 1.290 INCHES MAXIMUM IN, overall_height: 0.350 INCHES NOMINAL IN, first_end_style: RADIUS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-205-0025, 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
54169
NSN: 5315-00-205-0025
FSC: 5315
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 52100 OVERALL
body_width0.514 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN
body_height0.205 INCHES MAXIMUM IN
body_length1.290 INCHES MAXIMUM IN
overall_height0.350 INCHES NOMINAL IN
first_end_styleRADIUS
special_featuresASSEMBLY INCLUDES FIVE IC,MEMORY,2716 WITH PART NUMBERS 54-166,54-167,54-168,54-169,54-490
features_providedULTRAVIOLET ERASABLE AND PROGRAMMABLE AND 3-STATE OUTPUT AND W/ENABLE AND W/BUFFERED OUTPUT
output_logic_formN-TYPE METAL OXIDE-SEMICONDUCTOR LOGIC
pin_overall_length1.120 INCHES NOMINAL IN
storage_temp_range-65.0 TO 125.0 CELSIUS DEGC
operating_temp_range+0.0 TO 70.0 CELSIUS DEGC
NSN5315-00-205-0025
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 54169 · Trefl ⚠ 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: 1.120 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 52100 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASM 6440 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
PIN OVERALL DIAMETER: 0.3400 INCHES MINIMUM AND 0.3410 INCHES MAXIMUM IN
•
FIRST END CORNER RADIUS: 0.050 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
FIRST END STYLE: RADIUS
TECHNICAL CHARACTERISTICS (FLIS)
PIN OVERALL LENGTH1.120 INCHES NOMINAL IN
MATERIALSTEEL COMP 52100 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASM 6440 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PIN OVERALL DIAMETER0.3400 INCHES MINIMUM AND 0.3410 INCHES MAXIMUM IN
FIRST END CORNER RADIUS0.050 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END STYLERADIUS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
41726Interchangeable
interchangeable cross-reference
interchangeable
54169Interchangeable
interchangeable cross-reference
interchangeable
41726-30SECRHInterchangeable
interchangeable cross-reference
interchangeable
54-167Interchangeable
interchangeable cross-reference
interchangeable
54-140Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54169?
54169 is a MICROCIRCUIT ASSEMBLY manufactured by Trefl.
What parts can replace 54169?
There are 5 known substitutes for 54169: 41726, 54169, 41726-30SECRH and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 54169?
54169 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-205-0025. 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.
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Last verified: July 2026