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Technical Data Sheet
PartsTable / COMPONENT / 61-40106-0320
61-40106-0320 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT CHAMFER, head_height: 0.064 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.153 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN, thread_length: 0.250 INCHES MINIMUM IN, screw_material: STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 303. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-579-1704, 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
61-40106-0320
NSN: 5305-00-579-1704
FSC: 5305
CAGE: 89944 — ELBITAMERICA, INC. (USA)
SPECIFICATIONS
head_styleFLAT CHAMFER
head_height0.064 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.153 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
thread_length0.250 INCHES MINIMUM IN
screw_materialSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 303
fastener_length0.307 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.099 INCHES IN
thread_quantity_per_inch56
thread_series_designatorUNF
NSN5305-00-579-1704
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 61-40106-0320 · 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
•
THREAD LENGTH: 0.250 INCHES MINIMUM IN
•
THREAD QUANTITY PER INCH: 56
•
HEAD DIAMETER: 0.153 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OR ASTM A582 ASSN STD 3RD MATERIAL RESPONSE
•
INTERNAL DRIVE STYLE: SLOT
•
THREAD SERIES DESIGNATOR: UNF
•
SCREW MATERIAL: STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 303
•
FASTENER LENGTH: 0.307 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.250 INCHES MINIMUM IN
THREAD QUANTITY PER INCH56
HEAD DIAMETER0.153 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OR ASTM A582 ASSN STD 3RD MATERIAL RESPONSE
INTERNAL DRIVE STYLESLOT
THREAD SERIES DESIGNATORUNF
SCREW MATERIALSTEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 303
FASTENER LENGTH0.307 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
THREAD CLASS2A A
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
0018-4Interchangeable
interchangeable cross-reference
interchangeable
0018-1Interchangeable
interchangeable cross-reference
interchangeable
0018Interchangeable
interchangeable cross-reference
interchangeable
PX30-10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 61-40106-0320?
61-40106-0320 is a SCREW,MACHINE.
What parts can replace 61-40106-0320?
There are 4 known substitutes for 61-40106-0320: 0018-4, 0018-1, 0018 and 1 more. Substitute compatibility should be verified for your specific system.
Is 61-40106-0320 still available?
61-40106-0320 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026