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Technical Data Sheet
FC7739 ✓ 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

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1213 OVERALL, thickness: 0.225 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN, hole_diameter: 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN, overall_diameter: 1.869 INCHES MINIMUM AND 1.873 INCHES MAXIMUM IN, surface_treatment: COPPER OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-404-8189, 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
FC7739
NSN: 5310-00-404-8189
FSC: 5310
CAGE: 63477 — FEDERAL MOGUL CORP SUB WAGNER BRAKE MOOG AUTOMOTIVE DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 1213 OVERALL
thickness0.225 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
hole_diameter0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
overall_diameter1.869 INCHES MINIMUM AND 1.873 INCHES MAXIMUM IN
surface_treatmentCOPPER OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationMIL-C-14550 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-404-8189
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: FC7739 · 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
CENTER HOLE SHAPE STYLE: ROUND
THICKNESS: 0.225 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
SURFACE TREATMENT: COPPER OVERALL
MATERIAL: STEEL COMP 1213 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL
OVERALL DIAMETER: 1.869 INCHES MINIMUM AND 1.873 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-14550 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE DIAMETER: 0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.225 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
SURFACE TREATMENTCOPPER OVERALL
MATERIALSTEEL COMP 1213 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
OVERALL DIAMETER1.869 INCHES MINIMUM AND 1.873 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-14550 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE DIAMETER0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
167-7409321-10Interchangeable
interchangeable cross-reference
interchangeable
7409320Interchangeable
interchangeable cross-reference
interchangeable
B541-1110-10Interchangeable
interchangeable cross-reference
interchangeable
B541-1110-8Interchangeable
interchangeable cross-reference
interchangeable
167-7409321-8Interchangeable
interchangeable cross-reference
interchangeable
167-7409321-7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FC7739?
FC7739 is a WASHER,FLAT.
What parts can replace FC7739?
There are 25 known substitutes for FC7739: 167-7409321-10, 7409320, B541-1110-10 and 22 more. Substitute compatibility should be verified for your specific system.
Is FC7739 still available?
FC7739 is currently cancelled.
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