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Technical Data Sheet
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GC530E8-3 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

GC530E8-3: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.287 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN, thread_length: 0.316 INCHES MINIMUM IN, fastener_length: 0.493 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-083-2011, 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
GC530E8-3
NSN: 5305-00-083-2011
FSC: 5305 — Screws
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.287 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN
thread_length0.316 INCHES MINIMUM IN
fastener_length0.493 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.164 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNJC
screw_material_document_and_classificationAMS 5731 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 2ND MATERIAL RESPONSE
NSN5305-00-083-2011
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: GC530E8-3 · 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
•
FASTENER LENGTH: 0.493 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5731 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 2ND MATERIAL RESPONSE
•
THREAD LENGTH: 0.316 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
COUNTERSINK ANGLE: 100.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.493 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5731 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 2ND MATERIAL RESPONSE
THREAD LENGTH0.316 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
THREAD CLASS3A A
THREAD QUANTITY PER INCH32
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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is GC530E8-3?
GC530E8-3 is a SCREW,MACHINE.
What is the NSN for GC530E8-3?
GC530E8-3 is cataloged in the U.S. Government catalog under NSN 5305-00-083-2011. This indicates validated use in U.S. government and defense supply chains.
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