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Technical Data Sheet
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414B449-2 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

414B449-2: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: CROWNED HEXAGON, head_height: 0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.880 INCHES MINIMUM IN, screw_material: STEEL COMP 321, fastener_length: 1.000 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-693-6097, 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
414B449-2
NSN: 5305-00-693-6097
FSC: 5305 — Screws
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
head_styleCROWNED HEXAGON
head_height0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
thread_class2A A
thread_length0.880 INCHES MINIMUM IN
screw_materialSTEEL COMP 321
fastener_length1.000 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_between_flats0.416 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch28
thread_series_designatorUNF
screw_material_document_and_classificationAMS 5645 ASSN STD SINGLE MATERIAL RESPONSE
NSN5305-00-693-6097
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 414B449-2 · 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: 0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.000 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5645 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.880 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: CROWNED HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.416 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
FASTENER LENGTH1.000 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5645 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH0.880 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLECROWNED HEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.416 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
SCREW MATERIALSTEEL COMP 321
THREAD CLASS2A A
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 414B449-2?
414B449-2 is a SCREW,MACHINE.
What is the NSN for 414B449-2?
414B449-2 is cataloged in the U.S. Government catalog under NSN 5305-00-693-6097. This indicates validated use in U.S. government and defense supply chains.
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