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5544137-20 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

5544137-20: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN, thread_length: 0.288 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN, screw_material: STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 8740. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-253-3686, 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
5544137-20
NSN: 5305-01-253-3686
FSC: 5305 — Screws
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
head_stylePAN
head_height0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
thread_length0.288 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
screw_materialSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 8740
fastener_length0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
special_featuresCOLOR OLIVE DRAB
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch32
NSN5305-01-253-3686
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5544137-20 · 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: 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE
•
THREAD LENGTH: 0.288 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: PAN
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 8740
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
FASTENER LENGTH0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE
THREAD LENGTH0.288 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 8740
SPECIAL FEATURESCOLOR OLIVE DRAB
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
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

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
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FREQUENTLY ASKED QUESTIONS
What is 5544137-20?
5544137-20 is a SCREW,MACHINE.
What is the NSN for 5544137-20?
5544137-20 is cataloged in the U.S. Government catalog under NSN 5305-01-253-3686. This indicates validated use in U.S. government and defense supply chains.
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