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Technical Data Sheet
PartsTable / COMPONENT / 1018940
1018940 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include construction_type: ONE-PIECE, dial_aperture_knob_cutout_feature: NOT INCLUDED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-271-5227, 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
1018940
NSN: 5305-00-271-5227
FSC: 5305
CAGE: 77820 — AMPHENOL CORP DIV AMPHENOL AEROSPACE OPERATIONS (USA)
SPECIFICATIONS
construction_typeONE-PIECE
dial_aperture_knob_cutout_featureNOT INCLUDED
NSN5305-00-271-5227
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1018940 · 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
•
SCREW SURFACE TREATMENT: CADMIUM
•
HOLE QUANTITY: 1
•
HOLE DIAMETER: 0.047 INCHES NOMINAL IN
•
HEAD HOLE CONFIGURATION STYLE: ROUND
•
THREAD QUANTITY PER INCH: 32
•
HEAD DIAMETER: 0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
•
SCREW MATERIAL: STEEL COMP 8630
•
HEAD STYLE: FILLISTER
TECHNICAL CHARACTERISTICS (FLIS)
SCREW SURFACE TREATMENTCADMIUM
HOLE QUANTITY1
HOLE DIAMETER0.047 INCHES NOMINAL IN
HEAD HOLE CONFIGURATION STYLEROUND
THREAD QUANTITY PER INCH32
HEAD DIAMETER0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
SCREW MATERIALSTEEL COMP 8630
HEAD STYLEFILLISTER
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.190 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
21163Interchangeable
interchangeable cross-reference
interchangeable
2708-1-2-5AInterchangeable
interchangeable cross-reference
interchangeable
SN1105Interchangeable
interchangeable cross-reference
interchangeable
F5956Interchangeable
interchangeable cross-reference
interchangeable
5191Interchangeable
interchangeable cross-reference
interchangeable
934351Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1018940?
1018940 is a SCREW,MACHINE.
What parts can replace 1018940?
There are 23 known substitutes for 1018940: 21163, 2708-1-2-5A, SN1105 and 20 more. Substitute compatibility should be verified for your specific system.
Is 1018940 still available?
1018940 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026