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109370-1 — THUMBSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

109370-1: THUMBSCREW.

The THUMBSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: KNURLED NO. 1, head_height: 0.310 INCHES NOMINAL IN, point_style: CONE, thread_class: 2A A, head_diameter: 0.750 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-247-2743, 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
109370-1
NSN: 5305-01-247-2743
FSC: 5305 — Screws
CAGE: 82340 — L3HARRIS TECHNOLOGIES, INC. DIV SPACE AND AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleKNURLED NO. 1
head_height0.310 INCHES NOMINAL IN
point_styleCONE
thread_class2A A
head_diameter0.750 INCHES NOMINAL IN
thread_length0.560 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.440 INCHES NOMINAL IN
shoulder_length0.190 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.500 INCHES NOMINAL FIRST SHOULDER IN
NSN5305-01-247-2743
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 109370-1 · 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: 0.310 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.440 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.190 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.500 INCHES NOMINAL FIRST SHOULDER IN
•
THREAD LENGTH: 0.560 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.310 INCHES NOMINAL IN
FASTENER LENGTH1.440 INCHES NOMINAL IN
SHOULDER LENGTH0.190 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER0.500 INCHES NOMINAL FIRST SHOULDER IN
THREAD LENGTH0.560 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEKNURLED NO. 1
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 1
109370Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 109370-1?
109370-1 is a THUMBSCREW.
What parts can replace 109370-1?
There is 1 known substitute for 109370-1: 109370. Substitute compatibility should be verified for your specific system.
What is the NSN for 109370-1?
109370-1 is cataloged in the U.S. Government catalog under NSN 5305-01-247-2743. 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.