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Technical Data Sheet
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971227-12 — STUD,SELF-LOCKING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

971227-12: STUD,SELF-LOCKING.

The STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, head_length: 0.075 INCHES MINIMUM IN, thread_class: 2A NUT THREAD A, head_diameter: 0.188 INCHES NOMINAL IN, thread_length: 0.232 INCHES NOMINAL NUT THREAD IN, overall_length: 0.312 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-570-7197, 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
971227-12
NSN: 5307-00-570-7197
FSC: 5307 — Studs
CAGE: 82577 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
head_length0.075 INCHES MINIMUM IN
thread_class2A NUT THREAD A
head_diameter0.188 INCHES NOMINAL IN
thread_length0.232 INCHES NOMINAL NUT THREAD IN
overall_length0.312 INCHES NOMINAL IN
locking_featureHEAD DISTORTIONS
style_designatorSELF-LOCKING
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.112 INCHES NUT THREAD IN
thread_quantity_per_inch40 NUT THREAD
NSN5307-00-570-7197
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 971227-12 · 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
•
THREAD LENGTH: 0.232 INCHES NOMINAL NUT THREAD IN
•
STYLE DESIGNATOR: SELF-LOCKING
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
•
NOMINAL THREAD SIZE: 0.112 INCHES NUT THREAD IN
•
HEAD LENGTH: 0.075 INCHES MINIMUM IN
•
LOCKING FEATURE: HEAD DISTORTIONS
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.232 INCHES NOMINAL NUT THREAD IN
STYLE DESIGNATORSELF-LOCKING
OVERALL LENGTH0.312 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.112 INCHES NUT THREAD IN
HEAD LENGTH0.075 INCHES MINIMUM IN
LOCKING FEATUREHEAD DISTORTIONS
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A NUT THREAD A
THREAD QUANTITY PER INCH40 NUT THREAD
SUBSTITUTES & CROSS-REFERENCES 7
2504345-15Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
G355686-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
7109230-001Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
FHS4-40-5XReference document
Same NSN cross-reference
Reference document — Secondary reference
500-173-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
10116385Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 971227-12?
971227-12 is a STUD,SELF-LOCKING.
What parts can replace 971227-12?
There are 7 known substitutes for 971227-12: 2504345-15, G355686-1, 7109230-001 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 971227-12?
971227-12 is cataloged in the U.S. Government catalog under NSN 5307-00-570-7197. This indicates validated use in U.S. government and defense supply chains.
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