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PartsTable / COMPONENT / JYRF191
JYRF191 ✓ 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: ROUND, head_height: 0.069 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.146 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN, thread_length: 0.058 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, screw_material: STEEL COMP 302 OR STEEL COMP 430. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-022-5581, 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
JYRF191
NSN: 5305-01-022-5581
FSC: 5305
CAGE: 05624 — GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
head_styleROUND
head_height0.069 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.146 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN
thread_length0.058 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
screw_materialSTEEL COMP 302 OR STEEL COMP 430
fastener_length0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.086 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch56
NSN5305-01-022-5581
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: JYRF191 · 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: 0.086 INCHES IN
•
HEAD DIAMETER: 0.146 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: PASSIVATE
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 56
•
THREAD DIRECTION: RIGHT-HAND
•
FASTENER LENGTH: 0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
SCREW MATERIAL: STEEL COMP 302 OR STEEL COMP 430
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.086 INCHES IN
HEAD DIAMETER0.146 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
THREAD CLASS2A A
THREAD QUANTITY PER INCH56
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
SCREW MATERIALSTEEL COMP 302 OR STEEL COMP 430
INTERNAL DRIVE STYLESLOT
HEAD STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
61119050208Interchangeable
interchangeable cross-reference
interchangeable
340-220-0061Interchangeable
interchangeable cross-reference
interchangeable
7903132-00Interchangeable
interchangeable cross-reference
interchangeable
AN515C2-2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is JYRF191?
JYRF191 is a SCREW,MACHINE.
What parts can replace JYRF191?
There are 4 known substitutes for JYRF191: 61119050208, 340-220-0061, 7903132-00 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JYRF191?
JYRF191 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-022-5581. 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