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749443 — CHASSIS,ELECTRICAL-ELECTRONIC EQ

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

749443: CHASSIS,ELECTRICAL-ELECTRONIC EQ.

CHASSIS,ELECTRICAL-ELECTRONIC EQ. Key specifications include material: COPPER ALLOY 482 OVERALL, first_end_style: CHAMFERED, special_features: HCI, pin_overall_length: 0.303 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN, pin_overall_diameter: 0.0781 INCHES MINIMUM AND 0.0784 INCHES MAXIMUM IN, first_end_taper_angle: 40.0 DEGREES NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-276-3869, 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
749443
NSN: 5315-00-276-3869
NIINs: 002763869, 004198505, 013062012
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialCOPPER ALLOY 482 OVERALL
first_end_styleCHAMFERED
special_featuresHCI
pin_overall_length0.303 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
pin_overall_diameter0.0781 INCHES MINIMUM AND 0.0784 INCHES MAXIMUM IN
first_end_taper_angle40.0 DEGREES NOMINAL
first_end_taper_length0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
end_item_identificationPACER SPECIAL
criticality_code_justificationFEAT
material_document_and_classificationMIL-B-994 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-276-3869
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 749443 · 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
•
FIRST END TAPER LENGTH: 0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
•
FIRST END STYLE: CHAMFERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-994 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FIRST END TAPER ANGLE: 40.0 DEGREES NOMINAL
•
PIN OVERALL DIAMETER: 0.0781 INCHES MINIMUM AND 0.0784 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 0.303 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
MATERIAL: COPPER ALLOY 482 OVERALL
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
FIRST END STYLECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-994 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST END TAPER ANGLE40.0 DEGREES NOMINAL
PIN OVERALL DIAMETER0.0781 INCHES MINIMUM AND 0.0784 INCHES MAXIMUM IN
PIN OVERALL LENGTH0.303 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIALCOPPER ALLOY 482 OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 749443?
749443 is a CHASSIS,ELECTRICAL-ELECTRONIC EQ.
What is the NSN for 749443?
749443 is cataloged in the U.S. Government catalog under NSN 5315-00-276-3869. This indicates validated use in U.S. government and defense supply chains.
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