The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN, thread_length: 1.089 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN, screw_material: STEEL CORROSION RESISTING. This part is cataloged in the U.S.
Government catalog under NSN 5330-00-448-4454, 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
278-249
NSN:5330-00-448-4454 NIINs:004484454, 012778860 FSC:5330 — Packing and Gasket Materials CAGE:K0161 — PERKINS ENGINES COMPANY LTD - PERKINS PARTS DISTRIBUTION CENTRE UK (GBR)
SPECIFICATIONS
head_style
PAN
head_height
0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN
thread_class
2A A
head_diameter
0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
thread_length
1.089 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
screw_material
STEEL CORROSION RESISTING
fastener_length
1.125 INCHES NOMINAL IN
thread_direction
RIGHT-HAND
internal_drive_style
SLOT
nominal_thread_diameter
0.086 INCHES IN
thread_quantity_per_inch
56
thread_series_designator
UNIFIED NATIONAL COARSE (UNC)
NSN
5330-00-448-4454
COMPONENT DIAGRAM
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 278-249?
278-249 is a SCREW,MACHINE.
What is the NSN for 278-249?
278-249 is cataloged in the U.S. Government catalog under NSN 5330-00-448-4454. This indicates validated use in U.S. government and defense supply chains.
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