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A102-4C — GEAR,SPUR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A102-4C: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: WEBBED, OFFSET, SOLID, bore_style: STRAIGHT SPLINE BOTH ENDS, head_style: HEXAGON, tooth_form: STANDARD, head_height: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-008-2847, 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
A102-4C
NSN: 5305-00-008-2847
NIINs: 000082847, 000384488
FSC: 5305 — Screws
CAGE: K7766 — BSI STANDARDS LIMITED (GBR)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleWEBBED, OFFSET, SOLID
bore_styleSTRAIGHT SPLINE BOTH ENDS
head_styleHEXAGON
tooth_formSTANDARD
head_height0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
thread_class2A A
thread_length0.357 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN
pitch_diameter8.4000 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
screw_materialSTEEL
teeth_quantity42
NSN5305-00-008-2847
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A102-4C · 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: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM
•
FASTENER LENGTH: 0.850 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.357 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM
FASTENER LENGTH0.850 INCHES MINIMUM AND 0.890 INCHES MAXIMUM IN
THREAD LENGTH0.357 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
SCREW MATERIALSTEEL
THREAD CLASS2A A
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A102-4C?
A102-4C is a GEAR,SPUR.
What is the NSN for A102-4C?
A102-4C is cataloged in the U.S. Government catalog under NSN 5305-00-008-2847. 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.