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13047931 — THUMBSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

13047931: THUMBSCREW.

The THUMBSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, head_style: KNURLED NO. 1, head_height: 0.500 INCHES NOMINAL IN, point_style: FLAT, point_length: 0.020 INCHES NOMINAL IN, thread_class: 2A A.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-088-1967, 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
13047931
NSN: 5305-01-088-1967
FSC: 5305 — Screws
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
head_styleKNURLED NO. 1
head_height0.500 INCHES NOMINAL IN
point_styleFLAT
point_length0.020 INCHES NOMINAL IN
thread_class2A A
head_diameter0.375 INCHES NOMINAL IN
thread_length0.125 INCHES NOMINAL IN
fastener_length0.343 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
point_chamfer_angle45.0 DEGREES NOMINAL
NSN5305-01-088-1967
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 13047931 · 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: 0.500 INCHES NOMINAL IN
•
POINT LENGTH: 0.020 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.343 INCHES NOMINAL IN
•
THREAD LENGTH: 0.125 INCHES NOMINAL IN
•
POINT CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
FIRST DIAMETER FROM HEAD: 0.147 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: KNURLED NO. 1
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.500 INCHES NOMINAL IN
POINT LENGTH0.020 INCHES NOMINAL IN
FASTENER LENGTH0.343 INCHES NOMINAL IN
THREAD LENGTH0.125 INCHES NOMINAL IN
POINT CHAMFER ANGLE45.0 DEGREES NOMINAL
FIRST DIAMETER FROM HEAD0.147 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEKNURLED NO. 1
THREAD DIRECTIONRIGHT-HAND
POINT STYLEFLAT
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
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 13047931?
13047931 is a THUMBSCREW.
What is the NSN for 13047931?
13047931 is cataloged in the U.S. Government catalog under NSN 5305-01-088-1967. 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.