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Technical Data Sheet
PartsTable / COMPONENT / 1WYR
1WYR ✓ 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,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.360 INCHES NOMINAL IN, thread_length: 1.500 INCHES NOMINAL IN, fastener_length: 1.500 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, width_between_flats: 0.750 INCHES NOMINAL 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 5305-01-651-7193, 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
1WYR
NSN: 5305-01-651-7193
FSC: 5305
CAGE: 0KMA3 — ADAMS NUT AND BOLT CO INC (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.360 INCHES NOMINAL IN
thread_length1.500 INCHES NOMINAL IN
fastener_length1.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.750 INCHES NOMINAL IN
end_item_identification6115-01-591-1161;GENERATOR,HEATING AND AIR CONDITIONER
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch13
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
part_name_assigned_by_controlling_agencySCREW,STD HEX
NSN5305-01-651-7193
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1WYR · 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: 0.500 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
FASTENER LENGTH: 1.500 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 0.750 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.360 INCHES NOMINAL IN
•
THREAD LENGTH: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW,STD HEX
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH1.500 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.750 INCHES NOMINAL IN
HEAD HEIGHT0.360 INCHES NOMINAL IN
THREAD LENGTH1.500 INCHES NOMINAL IN
END ITEM IDENTIFICATION6115-01-591-1161;GENERATOR,HEATING AND AIR CONDITIONER
THREAD QUANTITY PER INCH13
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
49886Interchangeable
interchangeable cross-reference
interchangeable
60683Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1WYR?
1WYR is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 1WYR?
There are 2 known substitutes for 1WYR: 49886, 60683. Substitute compatibility should be verified for your specific system.
What is the NSN for 1WYR?
1WYR is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-651-7193. 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