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PartsTable / COMPONENT / 1968396
1968396 ✓ 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 COUNTERSUNK, thread_class: 2A A, head_diameter: 0.660 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN, thread_length: 0.470 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, screw_material: STEEL, fastener_length: 0.670 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-450-5937, 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
1968396
NSN: 5305-00-450-5937
FSC: 5305
CAGE: 7X677 — GENERAL MOTORS LLC DBA GENERAL MOTORS LLC (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.660 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
thread_length0.470 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
screw_materialSTEEL
fastener_length0.670 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle82.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNF
NSN5305-00-450-5937
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1968396 · 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
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD CLASS: 2A A
•
HEAD STYLE: FLAT COUNTERSUNK
•
COUNTERSINK ANGLE: 82.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
•
SCREW MATERIAL: STEEL
•
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: P-44-E FSCM 16764 MFR REF 1ST TREATMENT RESPONSE AND P-10-C FSCM 16764 MFR REF 2ND TREATMENT RESPONSE
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
HEAD DIAMETER: 0.660 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD CLASS2A A
HEAD STYLEFLAT COUNTERSUNK
COUNTERSINK ANGLE82.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM
SCREW MATERIALSTEEL
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONP-44-E FSCM 16764 MFR REF 1ST TREATMENT RESPONSE AND P-10-C FSCM 16764 MFR REF 2ND TREATMENT RESPONSE
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
HEAD DIAMETER0.660 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
FASTENER LENGTH0.670 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
THREAD LENGTH0.470 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
188100Interchangeable
interchangeable cross-reference
interchangeable
61191Interchangeable
interchangeable cross-reference
interchangeable
A42127Interchangeable
interchangeable cross-reference
interchangeable
1439Interchangeable
interchangeable cross-reference
interchangeable
G270Interchangeable
interchangeable cross-reference
interchangeable
50339Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1968396?
1968396 is a SCREW,MACHINE.
What parts can replace 1968396?
There are 12 known substitutes for 1968396: 188100, 61191, A42127 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1968396?
1968396 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-450-5937. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026