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AA55623-307 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

AA55623-307: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.442 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN, thread_length: 0.523 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN, screw_material: PLASTIC POLYHEXAMETHYLENE AMIDE, fastener_length: 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-119-7574, 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
AA55623-307
NSN: 5305-00-119-7574
FSC: 5305 — Screws
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.442 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length0.523 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
screw_materialPLASTIC POLYHEXAMETHYLENE AMIDE
fastener_length0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
internal_drive_styleSLOT
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch28
thread_series_designatorUNF
NSN5305-00-119-7574
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AA55623-307 · 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
•
FASTENER LENGTH: 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.523 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 3S STYLE
•
SCREW MATERIAL: PLASTIC POLYHEXAMETHYLENE AMIDE
•
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
THREAD LENGTH0.523 INCHES MINIMUM AND 0.554 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 3S STYLE
SCREW MATERIALPLASTIC POLYHEXAMETHYLENE AMIDE
INTERNAL DRIVE STYLESLOT
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
THREAD CLASS2A A
SUBSTITUTES & CROSS-REFERENCES 3
FFS92Reference document
Same NSN cross-reference
Reference document — Secondary reference
A-A-55623Reference document
Same NSN cross-reference
Reference document — Identification reference
MS18211-126FReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AA55623-307?
AA55623-307 is a SCREW,MACHINE.
What parts can replace AA55623-307?
There are 3 known substitutes for AA55623-307: FFS92, A-A-55623, MS18211-126F. Substitute compatibility should be verified for your specific system.
What is the NSN for AA55623-307?
AA55623-307 is cataloged in the U.S. Government catalog under NSN 5305-00-119-7574. This indicates validated use in U.S. government and defense supply chains.
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