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Technical Data Sheet
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10-18940 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

10-18940: SCREW,MACHINE.

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 U.S.

Government catalog 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
10-18940
NSN: 5305-00-271-5227
NIINs: 002715227, 006026388
FSC: 5305 — Screws
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: 10-18940 · 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: 0.123 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM
•
FASTENER LENGTH: 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.563 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: FILLISTER
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.123 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM
FASTENER LENGTH0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR AN-S-9 MIL STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.563 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 8630
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
SUBSTITUTES & CROSS-REFERENCES 5
519-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
21163Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
722-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
3S1Reference document
Same NSN cross-reference
Reference document — Secondary reference
SC852PLReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 10-18940?
10-18940 is a SCREW,MACHINE.
What parts can replace 10-18940?
There are 5 known substitutes for 10-18940: 519-1, 21163, 722-6 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10-18940?
10-18940 is cataloged in the U.S. Government catalog under NSN 5305-00-271-5227. This indicates validated use in U.S. government and defense supply chains.
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