PartsTable
Technical Data Sheet
159L ✓ 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,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL PROPERTY CLASS 18.8 OVERALL, head_style: PAN NO. 2, head_diameter: 0.310 INCHES NOMINAL IN, thread_length: 1.00 INCHES NOMINAL IN, fastener_length: 2.25 INCHES NOMINAL IN, special_features: MATERIAL: 18-8 SS.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-652-4458, 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
159L
NSN: 5305-01-652-4458
FSC: 5305
CAGE: 0KMA3 — ADAMS NUT AND BOLT CO INC (USA)
SPECIFICATIONS
materialSTEEL PROPERTY CLASS 18.8 OVERALL
head_stylePAN NO. 2
head_diameter0.310 INCHES NOMINAL IN
thread_length1.00 INCHES NOMINAL IN
fastener_length2.25 INCHES NOMINAL IN
special_featuresMATERIAL: 18-8 SS
thread_directionRIGHT-HAND
end_item_identification6115-01-591-1161;GENERATOR,HEATING AND AIR CONDITIONER
nominal_thread_diameter0.164 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
part_name_assigned_by_controlling_agencySCREW,PAN PHIL
NSN5305-01-652-4458
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 159L · 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 SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
HEAD STYLE: PAN NO. 2
FASTENER LENGTH: 2.25 INCHES NOMINAL IN
THREAD LENGTH: 1.00 INCHES NOMINAL IN
THREAD QUANTITY PER INCH: 32
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW,PAN PHIL
END ITEM IDENTIFICATION6115-01-591-1161;GENERATOR,HEATING AND AIR CONDITIONER
HEAD STYLEPAN NO. 2
SPECIAL FEATURESMATERIAL: 18-8 SS
FASTENER LENGTH2.25 INCHES NOMINAL IN
THREAD LENGTH1.00 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32
HEAD DIAMETER0.310 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
M439519-1Interchangeable
interchangeable cross-reference
interchangeable
P722625SUB19Interchangeable
interchangeable cross-reference
interchangeable
62224Interchangeable
interchangeable cross-reference
interchangeable
11619Interchangeable
interchangeable cross-reference
interchangeable
50067AInterchangeable
interchangeable cross-reference
interchangeable
608LXInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 159L?
159L is a SCREW,CAP,SOCKET HEAD.
What parts can replace 159L?
There are 9 known substitutes for 159L: M439519-1, P722625SUB19, 62224 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 159L?
159L is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-652-4458. This indicates validated use in U.S. government and defense supply chains.
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