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241769 — INSULATOR,FEEDTHRU

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

241769: INSULATOR,FEEDTHRU.

The INSULATOR,FEEDTHRU is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, end_style: RIGHT HAND HELIX SECOND END, thickness: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN, stud_length: 0.500 INCHES NOMINAL ALL THREADED STUD IN, thread_size: 0.250 ALL THREADED PORTIONS, hole_diameter: 0.191 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-273-6540, 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
241769
NSN: 5310-00-273-6540
NIINs: 002736540, 008608490, 013472707, 014774419
FSC: 5310 — Nuts and Washers
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
end_styleRIGHT HAND HELIX SECOND END
thickness0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
stud_length0.500 INCHES NOMINAL ALL THREADED STUD IN
thread_size0.250 ALL THREADED PORTIONS
hole_diameter0.191 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN
inside_diameter0.310 INCHES NOMINAL IN
overall_diameter0.333 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN
special_featuresRESILIENT MEMBER MATERIAL NEOPRENE RUBBER
style_designatorROUND W/FLANGE THREADED STUD
surface_treatmentOXIDE FILM OVERALL
coil_helix_directionRIGHT-HAND OR LEFT-HAND
NSN5310-00-273-6540
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 241769 · 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
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
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OVERALL DIAMETER: 0.333 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN
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MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-318 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
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CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
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SURFACE TREATMENT: OXIDE FILM OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
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MATERIAL: ALUMINUM ALLOY OVERALL
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CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
OVERALL DIAMETER0.333 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-318 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
SURFACE TREATMENTOXIDE FILM OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALALUMINUM ALLOY OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.191 INCHES MINIMUM AND 0.201 INCHES MAXIMUM IN
THICKNESS0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
CVC754-221D13Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
742520-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 241769?
241769 is a INSULATOR,FEEDTHRU.
What parts can replace 241769?
There are 2 known substitutes for 241769: CVC754-221D13, 742520-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 241769?
241769 is cataloged in the U.S. Government catalog under NSN 5310-00-273-6540. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.