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0407-449 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

0407-449: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, head_height: 0.061 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.145 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN, thread_length: 0.270 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, screw_material: STEEL COMP 303. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-022-4685, 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
0407-449
NSN: 5305-00-022-4685
FSC: 5305 — Screws
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
head_styleFILLISTER
head_height0.061 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.145 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
thread_length0.270 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
screw_materialSTEEL COMP 303
fastener_length0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.099 INCHES IN
thread_quantity_per_inch48
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-00-022-4685
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0407-449 · 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: 0.061 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.270 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.099 INCHES IN
•
HEAD STYLE: FILLISTER
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL COMP 303
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.061 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
FASTENER LENGTH0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
THREAD LENGTH0.270 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.099 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 303
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD CLASS2A A
SUBSTITUTES & CROSS-REFERENCES 1
407-96Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 0407-449?
0407-449 is a SCREW,MACHINE.
What parts can replace 0407-449?
There is 1 known substitute for 0407-449: 407-96. Substitute compatibility should be verified for your specific system.
What is the NSN for 0407-449?
0407-449 is cataloged in the U.S. Government catalog under NSN 5305-00-022-4685. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.