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55844-12 — STUD,SELF-LOCKING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

55844-12: STUD,SELF-LOCKING.

The STUD,SELF-LOCKING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thread_class: 2A LOCATION NOT OTHERWISE SPECIFIED A, head_diameter: 0.250 INCHES NOMINAL IN, thread_length: 0.420 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_length: 0.500 INCHES NOMINAL IN, style_designator: SELF-LOCKING. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-129-6592, 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
55844-12
NSN: 5307-01-129-6592
FSC: 5307 — Studs
CAGE: 55820 — RTX CORPORATION DIV PRATT & WHITNEY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
thread_class2A LOCATION NOT OTHERWISE SPECIFIED A
head_diameter0.250 INCHES NOMINAL IN
thread_length0.420 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_length0.500 INCHES NOMINAL IN
style_designatorSELF-LOCKING
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.164 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
thread_quantity_per_inch32 LOCATION NOT OTHERWISE SPECIFIED
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
surface_treatment_document_and_classification55844,FSCM 99167 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5307-01-129-6592
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 55844-12 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 55844,FSCM 99167 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.420 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
STYLE DESIGNATOR: SELF-LOCKING
•
THREAD DIRECTION: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
•
NOMINAL THREAD SIZE: 0.164 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
THREAD CLASS: 2A LOCATION NOT OTHERWISE SPECIFIED A
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION55844,FSCM 99167 MFR REF SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.420 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
STYLE DESIGNATORSELF-LOCKING
OVERALL LENGTH0.500 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
NOMINAL THREAD SIZE0.164 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A LOCATION NOT OTHERWISE SPECIFIED A
THREAD QUANTITY PER INCH32 LOCATION NOT OTHERWISE SPECIFIED
MATERIALSTEEL CORROSION RESISTING
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 55844-12?
55844-12 is a STUD,SELF-LOCKING.
What is the NSN for 55844-12?
55844-12 is cataloged in the U.S. Government catalog under NSN 5307-01-129-6592. This indicates validated use in U.S. government and defense supply chains.
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