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A46220 — THUMBSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A46220: THUMBSCREW.

The THUMBSCREW is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, head_style: KNURLED NO. 4, head_height: 0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN, point_style: FLAT, thread_class: 3A A, head_diameter: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-133-0166, 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
A46220
NSN: 5305-01-133-0166
FSC: 5305 — Screws
CAGE: 74067 — KEUFFEL AND ESSER CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
head_styleKNURLED NO. 4
head_height0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
point_styleFLAT
thread_class3A A
head_diameter0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
thread_length0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
fastener_length1.094 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.164 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-133-0166
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A46220 · 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: 0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.094 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: KNURLED NO. 4
•
THREAD DIRECTION: RIGHT-HAND
•
POINT STYLE: FLAT
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
FASTENER LENGTH1.094 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN
THREAD LENGTH0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEKNURLED NO. 4
THREAD DIRECTIONRIGHT-HAND
POINT STYLEFLAT
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
THREAD CLASS3A A
THREAD QUANTITY PER INCH32
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
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 A46220?
A46220 is a THUMBSCREW.
What is the NSN for A46220?
A46220 is cataloged in the U.S. Government catalog under NSN 5305-01-133-0166. This indicates validated use in U.S. government and defense supply chains.
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