PartsTable
Technical Data Sheet
311-6 ✓ Verified by PartsTable
Thule · MRO · MRO_GENERAL
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

Custom adapter kit for mounting a Thule roof rack system to select vehicles. Key specifications include diameter: 0.069 INCHES NOMINAL IN, material: STEEL OVERALL, bore_type: STRAIGHT, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, thickness: 0.032 INCHES NOMINAL IN, body_style: STRAIGHT SHAPE W/CLAMP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-156-1617, 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
MRO MRO_GENERAL 311-6
NSN: 5307-00-156-1617
FSC: 5307
CAGE: 80254 — TEXTRON LYCOMING INC WILLIAMSPORT PLANT (USA)
SPECIFICATIONS
diameter0.069 INCHES NOMINAL IN
materialSTEEL OVERALL
bore_typeSTRAIGHT
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
thickness0.032 INCHES NOMINAL IN
body_styleSTRAIGHT SHAPE W/CLAMP
port_styleGASKET SEAL SINGLE PORT
shaft_typeROUND, FLATTED SINGLE ACTUATOR
shell_typeSOLID
design_typeHORN SINGLE ANTENNA ELEMENT
shaft_length0.500 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2A SINGLE MOUNTING FACILITY A
NSN5307-00-156-1617
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 311-6 · Thule ⚠ 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
THREAD DIRECTION: RIGHT-HAND NUT THREAD
MATERIAL: STEEL COMP 4037 OR STEEL COMP 8735 OR STEEL COMP 8740
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
THREAD SERIES DESIGNATOR: UNF NUT THREAD
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6300 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6320 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6322 ASSN STD 3RD MATERIAL RESPONSE
NOMINAL THREAD SIZE: 0.312 INCHES NUT THREAD IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND NUT THREAD
MATERIALSTEEL COMP 4037 OR STEEL COMP 8735 OR STEEL COMP 8740
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
THREAD SERIES DESIGNATORUNF NUT THREAD
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6300 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6320 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6322 ASSN STD 3RD MATERIAL RESPONSE
NOMINAL THREAD SIZE0.312 INCHES NUT THREAD IN
NOMINAL THREAD SIZE0.312 INCHES STUD THREAD IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.720 INCHES NOMINAL NUT THREAD IN
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES

No verified substitutes available.

LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 311-6?
311-6 is a SEMICONDUCTOR DEVICE,DIODE manufactured by Thule. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 311-6?
311-6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-156-1617. This indicates validated use in U.S. government and defense supply chains.
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