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6118389-1 — WASHER,SPLIT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

6118389-1: WASHER,SPLIT.

The WASHER,SPLIT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, hole_diameter: 0.188 INCHES NOMINAL IN, outside_diameter: 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN, style_designator: SPLIT, surface_treatment: CHROMATE OVERALL, material_thickness: 0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-168-7259, 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
6118389-1
NSN: 5310-01-168-7259
FSC: 5310 — Nuts and Washers
CAGE: 03640 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
hole_diameter0.188 INCHES NOMINAL IN
outside_diameter0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
style_designatorSPLIT
surface_treatmentCHROMATE OVERALL
material_thickness0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
distance_across_split_opening0.062 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
surface_treatment_document_and_classificationMIL-C-5541,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-168-7259
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6118389-1 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
DISTANCE ACROSS SPLIT OPENING: 0.062 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SPLIT
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CHROMATE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
DISTANCE ACROSS SPLIT OPENING0.062 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
STYLE DESIGNATORSPLIT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
MATERIAL THICKNESS0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
SURFACE TREATMENTCHROMATE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
MATERIALALUMINUM ALLOY 6061 OVERALL
HOLE DIAMETER0.188 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6118389-1?
6118389-1 is a WASHER,SPLIT.
What is the NSN for 6118389-1?
6118389-1 is cataloged in the U.S. Government catalog under NSN 5310-01-168-7259. This indicates validated use in U.S. government and defense supply chains.
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