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Technical Data Sheet
PartsTable / COMPONENT / Y77730887
Y77730887 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, head_height: 0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, thread_length: 0.500 INCHES NOMINAL IN, screw_material: STEEL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-680-5491, 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
Y77730887
NSN: 5305-00-680-5491
FSC: 5305
CAGE: K0131 — GOODRICH LIMITED DIV GOODRICH LTD (GBR)
SPECIFICATIONS
head_styleFILLISTER
head_height0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
thread_length0.500 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length0.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentCADMIUM
thread_quantity_per_inch32
NSN5305-00-680-5491
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: Y77730887 · 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
•
THREAD QUANTITY PER INCH: 32
•
HEAD DIAMETER: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
INTERNAL DRIVE STYLE: SLOT
•
THREAD LENGTH: 0.500 INCHES NOMINAL IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 5S STYLE
•
HEAD HEIGHT: 0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH32
HEAD DIAMETER0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM
NOMINAL THREAD DIAMETER0.164 INCHES IN
INTERNAL DRIVE STYLESLOT
THREAD LENGTH0.500 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 5S STYLE
HEAD HEIGHT0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
SCREW MATERIALSTEEL
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
4118735-47Interchangeable
interchangeable cross-reference
interchangeable
MS3106A14S-7SInterchangeable
interchangeable cross-reference
interchangeable
108-122-010Interchangeable
interchangeable cross-reference
interchangeable
15158Interchangeable
interchangeable cross-reference
interchangeable
C54117Interchangeable
interchangeable cross-reference
interchangeable
B94.9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Y77730887?
Y77730887 is a SCREW,MACHINE.
What parts can replace Y77730887?
There are 14 known substitutes for Y77730887: 4118735-47, MS3106A14S-7S, 108-122-010 and 11 more. Substitute compatibility should be verified for your specific system.
Is Y77730887 still available?
Y77730887 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026