PartsTable
Technical Data Sheet
PL-1537 PIECE 20 ✓ 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 STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY K-500, thread_class: 3A STUD THREAD A, overall_length: 2.500 INCHES NOMINAL IN, thread_direction: RIGHT-HAND STUD THREAD, nominal_thread_size: 0.375 INCHES NUT THREAD IN, thread_quantity_per_inch: 16 STUD THREAD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-01-417-8758, 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
PL-1537 PIECE 20
NSN: 5307-01-417-8758
FSC: 5307
CAGE: 71639 — ALFRED CONHAGEN, INC. (USA)
SPECIFICATIONS
materialNICKEL ALLOY K-500
thread_class3A STUD THREAD A
overall_length2.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.375 INCHES NUT THREAD IN
thread_quantity_per_inch16 STUD THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
material_document_and_classificationQQ-N-286, CLASS A FED SPEC SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5307-01-417-8758
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: PL-1537 PIECE 20 · 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 DIRECTION: RIGHT-HAND STUD THREAD
THREAD QUANTITY PER INCH: 16 STUD THREAD
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) NUT THREAD
MATERIAL: NICKEL ALLOY K-500
NOMINAL THREAD SIZE: 0.375 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD QUANTITY PER INCH16 STUD THREAD
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) NUT THREAD
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) STUD THREAD
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
MATERIALNICKEL ALLOY K-500
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.375 INCHES NUT THREAD IN
THREAD CLASS3A STUD THREAD A
THREAD CLASS3A NUT THREAD A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
P205Interchangeable
interchangeable cross-reference
interchangeable
PC202Interchangeable
interchangeable cross-reference
interchangeable
P105Interchangeable
interchangeable cross-reference
interchangeable
P142-133AInterchangeable
interchangeable cross-reference
interchangeable
3001016-1AInterchangeable
interchangeable cross-reference
interchangeable
P11372Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PL-1537 PIECE 20?
PL-1537 PIECE 20 is a STUD,PLAIN.
What parts can replace PL-1537 PIECE 20?
There are 22 known substitutes for PL-1537 PIECE 20: P205, PC202, P105 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PL-1537 PIECE 20?
PL-1537 PIECE 20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-01-417-8758. This indicates validated use in U.S. government and defense supply chains.
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