PartsTable
Technical Data Sheet
67666 ✓ Verified by PartsTable
· BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,INTERNAL WRENCHING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410 OVERALL, hole_type: DRILLED, head_height: 0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.176 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN, hole_diameter: 0.036 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-177-5324, 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
67666
NSN: 5306-00-177-5324
FSC: 5306
CAGE: F2133 — DENISON HYDRAULICS FRANCE SAS (FRA)
SPECIFICATIONS
materialSTEEL COMP 410 OVERALL
hole_typeDRILLED
head_height0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.176 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
hole_diameter0.036 INCHES NOMINAL IN
hole_quantity1
thread_length0.309 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
fastener_length0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
hardness_rating38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_across_flats0.094 INCHES NOMINAL IN
NSN5306-00-177-5324
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 67666 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
HEAD DIAMETER: 0.176 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
HEAD HEIGHT: 0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH: 170000 POUNDS PER SQUARE INCH LBS
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
HOLE CONFIGURATION STYLE: HEXAGON FLATS
HOLE DIAMETER: 0.036 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD DIAMETER0.176 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
HEAD HEIGHT0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH170000 POUNDS PER SQUARE INCH LBS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
HOLE CONFIGURATION STYLEHEXAGON FLATS
HOLE DIAMETER0.036 INCHES NOMINAL IN
HOLE QUANTITY1
THREAD CLASS3A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
1418083Interchangeable
interchangeable cross-reference
interchangeable
67666Interchangeable
interchangeable cross-reference
interchangeable
QQA267TEMPERT4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 67666?
67666 is a BOLT,INTERNAL WRENCHING.
What parts can replace 67666?
There are 3 known substitutes for 67666: 1418083, 67666, QQA267TEMPERT4. Substitute compatibility should be verified for your specific system.
Is 67666 still available?
67666 is currently cancelled.
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