PartsTable
Technical Data Sheet
G68-3 ✓ 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 GAGE,PROFILE is a the manufacturer industrial component. Key specifications include length: 3.12 INCHES IN, material: STEEL COMP 302 OVERALL, thickness: 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN, design_type: DOUBLE END, hole_diameter: 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES ALL SURFACES. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-661-3274, 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
G68-3
NSN: 5310-00-661-3274
FSC: 5310
CAGE: 00328 — DESIGNATRONICS INCORPORATED DIV STERLING INSTRUMENTS DIV (USA)
SPECIFICATIONS
length3.12 INCHES IN
materialSTEEL COMP 302 OVERALL
thickness0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN
design_typeDOUBLE END
hole_diameter0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES ALL SURFACES
overall_diameter0.188 INCHES MINIMUM AND 0.191 INCHES MAXIMUM IN
features_providedCOMBINATION GO NOT GO GAGE
surface_treatmentPASSIVATE OVERALL
air_groove_featureNOT INCLUDED
peripheral_shape_styleROUND
center_hole_shape_styleROUND
NSN5310-00-661-3274
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: G68-3 · 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
MATERIAL: STEEL COMP 302 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE FINISH: 32.0 MICROINCHES ALL SURFACES
SURFACE TREATMENT: PASSIVATE OVERALL
HOLE DIAMETER: 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLE: ROUND
THICKNESS: 0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 302 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE FINISH32.0 MICROINCHES ALL SURFACES
SURFACE TREATMENTPASSIVATE OVERALL
HOLE DIAMETER0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.009 INCHES MINIMUM AND 0.011 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL DIAMETER0.188 INCHES MINIMUM AND 0.191 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
601760Interchangeable
interchangeable cross-reference
interchangeable
SS127Interchangeable
interchangeable cross-reference
interchangeable
7351240Interchangeable
interchangeable cross-reference
interchangeable
965838-21Interchangeable
interchangeable cross-reference
interchangeable
752Interchangeable
interchangeable cross-reference
interchangeable
7736614P4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G68-3?
G68-3 is a GAGE,PROFILE.
What parts can replace G68-3?
There are 15 known substitutes for G68-3: 601760, SS127, 7351240 and 12 more. Substitute compatibility should be verified for your specific system.
Is G68-3 still available?
G68-3 is currently cancelled.
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