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G265789-1 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

G265789-1: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, head_style: HEXAGON, head_height: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-192-0681, 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
G265789-1
NSN: 5305-01-192-0681
FSC: 5305 — Screws
CAGE: 3B150 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
head_styleHEXAGON
head_height0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
thread_class2A A
thread_length0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length4.060 INCHES MINIMUM AND 4.070 INCHES MAXIMUM IN
hardness_rating31.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length3.420 INCHES MINIMUM AND 3.450 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentZINC AND CHROMATE OVERALL
NSN5305-01-192-0681
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: G265789-1 · 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
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
FASTENER LENGTH: 4.060 INCHES MINIMUM AND 4.070 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 3.420 INCHES MINIMUM AND 3.450 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER DIAMETER: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
HEAD HEIGHT0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
FASTENER LENGTH4.060 INCHES MINIMUM AND 4.070 INCHES MAXIMUM IN
SHOULDER LENGTH3.420 INCHES MINIMUM AND 3.450 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
HARDNESS RATING31.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
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 G265789-1?
G265789-1 is a SCREW,SHOULDER.
What is the NSN for G265789-1?
G265789-1 is cataloged in the U.S. Government catalog under NSN 5305-01-192-0681. This indicates validated use in U.S. government and defense supply chains.
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