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9M103-6 — WASHER,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

9M103-6: WASHER,LOCK.

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.388 INCHES NOMINAL IN, outside_diameter: 0.574 INCHES NOMINAL IN, special_features: 2 RAISED PROJECTIONS ON WASHER FACE,0.050 IN. HIGH BY 0.102 IN.

WIDE,EQUALLY SPACED AND 90 DEGREES FROM INTERNAL KEY IN, style_designator: INTERNAL PREBENT KEY, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S. Government catalog under NSN 5310-00-167-2078, 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
9M103-6
NSN: 5310-00-167-2078
NIINs: 001672078, 013426020
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.388 INCHES NOMINAL IN
outside_diameter0.574 INCHES NOMINAL IN
special_features2 RAISED PROJECTIONS ON WASHER FACE,0.050 IN. HIGH BY 0.102 IN. WIDE,EQUALLY SPACED AND 90 DEGREES FROM INTERNAL KEY IN
style_designatorINTERNAL PREBENT KEY
surface_treatmentCADMIUM OVERALL
material_thickness0.064 INCHES NOMINAL IN
wire_hole_diameter0.064 INCHES NOMINAL IN
internal_prebent_key_width0.094 INCHES NOMINAL IN
NSN5310-00-167-2078
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 9M103-6 · 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
•
WIRE HOLE DIAMETER: 0.064 INCHES NOMINAL IN
•
INTERNAL PREBENT KEY WIDTH: 0.094 INCHES NOMINAL IN
•
STYLE DESIGNATOR: INTERNAL PREBENT KEY
•
OUTSIDE DIAMETER: 0.574 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.064 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
WIRE HOLE DIAMETER0.064 INCHES NOMINAL IN
INTERNAL PREBENT KEY WIDTH0.094 INCHES NOMINAL IN
STYLE DESIGNATORINTERNAL PREBENT KEY
OUTSIDE DIAMETER0.574 INCHES NOMINAL IN
MATERIAL THICKNESS0.064 INCHES NOMINAL IN
SPECIAL FEATURES2 RAISED PROJECTIONS ON WASHER FACE,0.050 IN. HIGH BY 0.102 IN. WIDE,EQUALLY SPACED AND 90 DEGREES FROM INTERNAL KEY IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
HOLE DIAMETER0.388 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
9M383-6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9M103-6?
9M103-6 is a WASHER,LOCK.
What parts can replace 9M103-6?
There is 1 known substitute for 9M103-6: 9M383-6. Substitute compatibility should be verified for your specific system.
What is the NSN for 9M103-6?
9M103-6 is cataloged in the U.S. Government catalog under NSN 5310-00-167-2078. This indicates validated use in U.S. government and defense supply chains.
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