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8Z1018PC133 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8Z1018PC133: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, head_height: 0.061 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.309 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN, thread_length: 0.120 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-276-3045, 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
8Z1018PC133
NSN: 5305-00-276-3045
FSC: 5305 — Screws
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialCOPPER ALLOY 230 OR COPPER ALLOY 240 OR COPPER ALLOY 260 OR COPPER ALLOY 268 OR COPPER ALLOY 342 OR COPPER ALLOY 353 OR COPPER ALLOY 360 OR COPPER ALLOY 377 OVERALL
head_styleFILLISTER
head_height0.061 INCHES NOMINAL IN
thread_class2A A
head_diameter0.309 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
thread_length0.120 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.267 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
shoulder_length0.145 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.193 INCHES MINIMUM AND 0.195 INCHES MAXIMUM FIRST SHOULDER IN
internal_drive_styleCROSS RECESS TYPE 1
NSN5305-00-276-3045
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8Z1018PC133 · 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
•
HEAD HEIGHT: 0.061 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.267 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.145 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.193 INCHES MINIMUM AND 0.195 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.120 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: FILLISTER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.061 INCHES NOMINAL IN
FASTENER LENGTH0.267 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
SHOULDER LENGTH0.145 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER0.193 INCHES MINIMUM AND 0.195 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.120 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
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 8Z1018PC133?
8Z1018PC133 is a SCREW,SHOULDER.
What is the NSN for 8Z1018PC133?
8Z1018PC133 is cataloged in the U.S. Government catalog under NSN 5305-00-276-3045. 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.