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218002549 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

218002549: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.099 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN, thread_length: 0.375 INCHES NOMINAL IN, screw_material: STEEL CORROSION RESISTING. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-423-5984, 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
218002549
NSN: 5305-01-423-5984
NIINs: 014235984, 014993791
FSC: 5305 — Screws
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
head_stylePAN
head_height0.099 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
thread_length0.375 INCHES NOMINAL IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.375 INCHES NOMINAL IN
locking_featurePATCH OR PELLET OR STRIP
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentPASSIVATE
NSN5305-01-423-5984
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 218002549 · 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: 0.099 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
THREAD LENGTH: 0.375 INCHES NOMINAL IN
•
LOCKING FEATURE MATERIAL: PLASTIC POLYAMIDE NYLON
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: PAN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.099 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH0.375 INCHES NOMINAL IN
THREAD LENGTH0.375 INCHES NOMINAL IN
LOCKING FEATURE MATERIALPLASTIC POLYAMIDE NYLON
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
LOCKING FEATUREPATCH OR PELLET OR STRIP
SCREW MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 2
556-6406594-MPLA-A37Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
6406374 ITEM B23Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 218002549?
218002549 is a SCREW,MACHINE.
What parts can replace 218002549?
There are 2 known substitutes for 218002549: 556-6406594-MPLA-A37, 6406374 ITEM B23. Substitute compatibility should be verified for your specific system.
What is the NSN for 218002549?
218002549 is cataloged in the U.S. Government catalog under NSN 5305-01-423-5984. 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.