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20-233-1138-11 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

20-233-1138-11: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 2.26 MILLIMETERS MINIMUM AND 2.4 MILLIMETERS MAXIMUM MM, head_diameter: 7.64 MILLIMETERS MINIMUM AND 8.0 MILLIMETERS MAXIMUM MM, thread_length: 14.24 MILLIMETERS NOMINAL MM, screw_material: STEEL PROPERTY CLASS 4.8, fastener_length: 15.64 MILLIMETERS MINIMUM AND 16.36 MILLIMETERS MAXIMUM MM. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-362-5091, 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
20-233-1138-11
NSN: 5305-01-362-5091
FSC: 5305 — Screws
CAGE: 35012 — GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
head_stylePAN
head_height2.26 MILLIMETERS MINIMUM AND 2.4 MILLIMETERS MAXIMUM MM
head_diameter7.64 MILLIMETERS MINIMUM AND 8.0 MILLIMETERS MAXIMUM MM
thread_length14.24 MILLIMETERS NOMINAL MM
screw_materialSTEEL PROPERTY CLASS 4.8
fastener_length15.64 MILLIMETERS MINIMUM AND 16.36 MILLIMETERS MAXIMUM MM
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter4.0 MILLIMETERS MM
screw_surface_treatmentCADMIUM AND PASSIVATE
thread_series_designatorM
thread_pitch_in_millimeters0.7
NSN5305-01-362-5091
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 20-233-1138-11 · 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: 2.26 MILLIMETERS MINIMUM AND 2.4 MILLIMETERS MAXIMUM MM
•
EXTERNAL THREAD TOLERANCE CLASS: 6G G
•
SCREW SURFACE TREATMENT: CADMIUM AND PASSIVATE
•
FASTENER LENGTH: 15.64 MILLIMETERS MINIMUM AND 16.36 MILLIMETERS MAXIMUM MM
•
THREAD PITCH IN MILLIMETERS: 0.7
•
THREAD LENGTH: 14.24 MILLIMETERS NOMINAL MM
•
NOMINAL THREAD DIAMETER: 4.0 MILLIMETERS MM
•
HEAD STYLE: PAN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT2.26 MILLIMETERS MINIMUM AND 2.4 MILLIMETERS MAXIMUM MM
EXTERNAL THREAD TOLERANCE CLASS6G G
SCREW SURFACE TREATMENTCADMIUM AND PASSIVATE
FASTENER LENGTH15.64 MILLIMETERS MINIMUM AND 16.36 MILLIMETERS MAXIMUM MM
THREAD PITCH IN MILLIMETERS0.7
THREAD LENGTH14.24 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER4.0 MILLIMETERS MM
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL PROPERTY CLASS 4.8
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 1
10113731Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 20-233-1138-11?
20-233-1138-11 is a SCREW,MACHINE.
What parts can replace 20-233-1138-11?
There is 1 known substitute for 20-233-1138-11: 10113731. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-233-1138-11?
20-233-1138-11 is cataloged in the U.S. Government catalog under NSN 5305-01-362-5091. This indicates validated use in U.S. government and defense supply chains.
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