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50-047-6-26 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

50-047-6-26: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING FASTENER, head_style: HEXAGON, grip_length: 1.578 INCHES MINIMUM AND 1.672 INCHES MAXIMUM IN, special_features: BOLTS SHALL MEET ALL REQUIREMENTS OF NASM83050, surface_treatment: CADMIUM OVERALL, head_major_diameter: 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-535-1283, 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
50-047-6-26
NSN: 5306-00-535-1283
FSC: 5306 — Bolts
CAGE: 80539 — SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING FASTENER
head_styleHEXAGON
grip_length1.578 INCHES MINIMUM AND 1.672 INCHES MAXIMUM IN
special_featuresBOLTS SHALL MEET ALL REQUIREMENTS OF NASM83050
surface_treatmentCADMIUM OVERALL
head_major_diameter0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
width_between_flats0.650 INCHES NOMINAL IN
nominal_thread_diameter0.3750 INCHES IN
minimum_tensile_strength11540 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch24
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF)
criticality_code_justificationFEAT
NSN5306-00-535-1283
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 50-047-6-26 · 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
•
SPECIAL TEST FEATURES: MATERIAL FOR BOLT: 4340 STEEL PER AMS6415 OR 4140 STEEL PER AMS6382 OR 8740 STEEL PER AMS6322, A286 CRES PER CHEMISTRY OF AMS5731, HEAT TREATMENT: ALLOY STEEL 160-180KSI, CRES: 160-180KSI,FINISH OF BOLT: STEEL, CADMIUM PLATE PER AMS-QQ-P-416,TYPE II,CLASS 2, CRES: PASSIVATE PER AMS2700 METHOD 1,CLASS 4 OR PASSIVATE PER AMS2700 METHOD 1, CLASS 4, CADMIUM PLATE ALL SURFACES EXCEPT THREADED END PER AMS-QQ-P-416,TYPE II,CLASS 2,RETAINING ELEMENT: PASSIVATE PER AMS2700,METHOD 1, CLASS 4
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
NOMINAL THREAD DIAMETER: 0.3750 INCHES IN
•
HEAD STYLE: HEXAGON
•
GRIP LENGTH: 1.578 INCHES MINIMUM AND 1.672 INCHES MAXIMUM IN
•
WIDTH BETWEEN FLATS: 0.650 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE FASTENER
TECHNICAL CHARACTERISTICS
SPECIAL TEST FEATURESMATERIAL FOR BOLT: 4340 STEEL PER AMS6415 OR 4140 STEEL PER AMS6382 OR 8740 STEEL PER AMS6322, A286 CRES PER CHEMISTRY OF AMS5731, HEAT TREATMENT: ALLOY STEEL 160-180KSI, CRES: 160-180KSI,FINISH OF BOLT: STEEL, CADMIUM PLATE PER AMS-QQ-P-416,TYPE II,CLASS 2, CRES: PASSIVATE PER AMS2700 METHOD 1,CLASS 4 OR PASSIVATE PER AMS2700 METHOD 1, CLASS 4, CADMIUM PLATE ALL SURFACES EXCEPT THREADED END PER AMS-QQ-P-416,TYPE II,CLASS 2,RETAINING ELEMENT: PASSIVATE PER AMS2700,METHOD 1, CLASS 4
CRITICALITY CODE JUSTIFICATIONFEAT
NOMINAL THREAD DIAMETER0.3750 INCHES IN
HEAD STYLEHEXAGON
GRIP LENGTH1.578 INCHES MINIMUM AND 1.672 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.650 INCHES NOMINAL IN
SPECIAL FEATURESBOLTS SHALL MEET ALL REQUIREMENTS OF NASM83050
SURFACE TREATMENTPASSIVATE FASTENER
SURFACE TREATMENTCADMIUM OVERALL
MINIMUM TENSILE STRENGTH11540 POUNDS PER SQUARE INCH LBS
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
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 50-047-6-26?
50-047-6-26 is a BOLT,MACHINE.
What is the NSN for 50-047-6-26?
50-047-6-26 is cataloged in the U.S. Government catalog under NSN 5306-00-535-1283. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.