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878779-224 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

878779-224: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN NO. 2, head_height: 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, thread_length: 0.313 INCHES MINIMUM IN, screw_material: PLASTIC POLYHEXAMETHYLENE AMIDE.

This part is cataloged in the U.S. Government catalog under NSN 5305-00-087-0867, 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
878779-224
NSN: 5305-00-087-0867
NIINs: 000870867, 008266985
FSC: 5305 — Screws
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
head_stylePAN NO. 2
head_height0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
thread_length0.313 INCHES MINIMUM IN
screw_materialPLASTIC POLYHEXAMETHYLENE AMIDE
fastener_length0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.138 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-00-087-0867
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 878779-224 · 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
SUBSTITUTES & CROSS-REFERENCES 3
N-632-3/8BINDERHEADSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
BINY-025NAReference document
Same NSN cross-reference
Reference document — Secondary reference
N632-3-8BINDHDReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 878779-224?
878779-224 is a SCREW,MACHINE.
What parts can replace 878779-224?
There are 3 known substitutes for 878779-224: N-632-3/8BINDERHEAD, BINY-025NA, N632-3-8BINDHD. Substitute compatibility should be verified for your specific system.
What is the NSN for 878779-224?
878779-224 is cataloged in the U.S. Government catalog under NSN 5305-00-087-0867. This indicates validated use in U.S. government and defense supply chains.
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