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109605-5 — Technical Data Sheet

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— · 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 width: 0.578 INCHES NOMINAL IN, material: STEEL OVERALL, thickness: 0.125 INCHES NOMINAL IN, hole_diameter: 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL, peripheral_shape_style: DEE. This part is cataloged in the Federal Logistics Information System under NSN 5310-00-632-8939, 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
109605-5
NSN: 5310-00-632-8939
FSC: 5310
CAGE: 37695 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
width0.578 INCHES NOMINAL IN
materialSTEEL OVERALL
thickness0.125 INCHES NOMINAL IN
hole_diameter0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
peripheral_shape_styleDEE
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-632-8939
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 109605-5 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
THICKNESS: 0.125 INCHES NOMINAL IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
WIDTH: 0.578 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: DEE
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THICKNESS0.125 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
WIDTH0.578 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEDEE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
FA8-127-2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
D140InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
107-026-2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
015329TInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
06140InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
D6-140InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 109605-5?
109605-5 is a WASHER,FLAT.
What parts can replace 109605-5?
There are 12 known substitutes for 109605-5: FA8-127-2, D140, 107-026-2 and 9 more. Substitute compatibility should be verified for your specific system.
Is 109605-5 still available?
109605-5 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: October 2026