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8104170 — THUMBSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8104170: THUMBSCREW.

The THUMBSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1117 OVERALL, head_style: KNURLED NO. 1, head_height: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN, point_style: DOG, point_length: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN, thread_class: 3A A.

This part is cataloged in the U.S. Government catalog under NSN 5305-00-366-3104, 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
8104170
NSN: 5305-00-366-3104
FSC: 5305 — Screws
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 1117 OVERALL
head_styleKNURLED NO. 1
head_height0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
point_styleDOG
point_length0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
thread_length0.886 INCHES MINIMUM AND 0.926 INCHES MAXIMUM IN
point_diameter0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
fastener_length1.021 INCHES MINIMUM AND 1.041 INCHES MAXIMUM IN
special_featuresDRILLED HOLE 0.094 IN. DIA 0.156 IN. LG ALONG CENTERLINE OF POINT IN
thread_directionRIGHT-HAND
NSN5305-00-366-3104
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8104170 · 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
•
POINT DIAMETER: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
•
POINT LENGTH: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.021 INCHES MINIMUM AND 1.041 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.886 INCHES MINIMUM AND 0.926 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OR AISI ASSN STD SINGLE MATERIAL RESPONSE OR SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HEAD STYLE: KNURLED NO. 1
TECHNICAL CHARACTERISTICS
POINT DIAMETER0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
HEAD HEIGHT0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
POINT LENGTH0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
FASTENER LENGTH1.021 INCHES MINIMUM AND 1.041 INCHES MAXIMUM IN
THREAD LENGTH0.886 INCHES MINIMUM AND 0.926 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OR AISI ASSN STD SINGLE MATERIAL RESPONSE OR SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEKNURLED NO. 1
THREAD DIRECTIONRIGHT-HAND
POINT STYLEDOG
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 8104170?
8104170 is a THUMBSCREW.
What is the NSN for 8104170?
8104170 is cataloged in the U.S. Government catalog under NSN 5305-00-366-3104. 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.