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ST3M733-3L13 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST3M733-3L13: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.338 INCHES MINIMUM IN, thread_length: 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN, screw_material: STEEL COMP XM-13, fastener_length: 1.203 INCHES MINIMUM AND 1.233 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-264-6368, 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
ST3M733-3L13
NSN: 5305-01-264-6368
FSC: 5305 — Screws
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.338 INCHES MINIMUM IN
thread_length0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
screw_materialSTEEL COMP XM-13
fastener_length1.203 INCHES MINIMUM AND 1.233 INCHES MAXIMUM IN
special_featuresCETYL ALCOHOL PER MIL-L-87132 TY 1 GRADE 8
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
internal_drive_styleHIGH-TORQUE
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentALUMINUM AND CHROMATE
NSN5305-01-264-6368
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST3M733-3L13 · 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: ALUMINUM AND CHROMATE
•
FASTENER LENGTH: 1.203 INCHES MINIMUM AND 1.233 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL COMP XM-13
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTALUMINUM AND CHROMATE
FASTENER LENGTH1.203 INCHES MINIMUM AND 1.233 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP XM-13
SPECIAL FEATURESCETYL ALCOHOL PER MIL-L-87132 TY 1 GRADE 8
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
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 2
HT4057-3-13AReference document
Same NSN cross-reference
Reference document — Secondary reference
11935-3L13Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST3M733-3L13?
ST3M733-3L13 is a SCREW,MACHINE.
What parts can replace ST3M733-3L13?
There are 2 known substitutes for ST3M733-3L13: HT4057-3-13A, 11935-3L13. Substitute compatibility should be verified for your specific system.
What is the NSN for ST3M733-3L13?
ST3M733-3L13 is cataloged in the U.S. Government catalog under NSN 5305-01-264-6368. This indicates validated use in U.S. government and defense supply chains.
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