PartsTable
Technical Data Sheet
Download PDF

8Z1018PC25 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8Z1018PC25: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FILLISTER COUNTERSUNK, head_height: 0.035 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN, thread_length: 0.300 INCHES MAXIMUM IN, screw_material: COPPER ALLOY. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-271-2841, 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
8Z1018PC25
NSN: 5305-00-271-2841
FSC: 5305 — Screws
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
head_styleFILLISTER COUNTERSUNK
head_height0.035 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
thread_length0.300 INCHES MAXIMUM IN
screw_materialCOPPER ALLOY
fastener_length0.296 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle82.0 DEGREES NOMINAL
internal_drive_styleSLOT
nominal_thread_diameter0.138 INCHES IN
thread_quantity_per_inch40
NSN5305-00-271-2841
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8Z1018PC25 · 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: 0.035 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.296 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.300 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.138 INCHES IN
•
HEAD STYLE: FILLISTER COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.035 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
FASTENER LENGTH0.296 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
THREAD LENGTH0.300 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.138 INCHES IN
HEAD STYLEFILLISTER COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALCOPPER ALLOY
INTERNAL DRIVE STYLESLOT
COUNTERSINK ANGLE82.0 DEGREES NOMINAL
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
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
Ready to buy 8Z1018PC25?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 8Z1018PC25?
8Z1018PC25 is a SCREW,MACHINE.
What is the NSN for 8Z1018PC25?
8Z1018PC25 is cataloged in the U.S. Government catalog under NSN 5305-00-271-2841. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 8Z1018PC25

✓ 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.