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Technical Data Sheet
PartsTable / COMPONENT / BS5-1559PC30
BS5-1559PC30 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY R-405 OVERALL, overall_width: 0.312 INCHES NOMINAL IN, overall_height: 0.312 INCHES NOMINAL IN, overall_length: 5.000 INCHES NOMINAL IN, style_designator: PLAIN, starting_edge_shape: STRAIGHT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-199-0545, 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
BS5-1559PC30
NSN: 5315-00-199-0545
FSC: 5315
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialNICKEL ALLOY R-405 OVERALL
overall_width0.312 INCHES NOMINAL IN
overall_height0.312 INCHES NOMINAL IN
overall_length5.000 INCHES NOMINAL IN
style_designatorPLAIN
starting_edge_shapeSTRAIGHT
material_document_and_classificationMIL-N-894 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-199-0545
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BS5-1559PC30 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STARTING EDGE SHAPE: STRAIGHT
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-N-894 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: NICKEL ALLOY R-405 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
STARTING EDGE SHAPESTRAIGHT
STYLE DESIGNATORPLAIN
OVERALL HEIGHT0.312 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-N-894 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL WIDTH0.312 INCHES NOMINAL IN
MATERIALNICKEL ALLOY R-405 OVERALL
OVERALL LENGTH5.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
C91080A1PC299Interchangeable
interchangeable cross-reference
interchangeable
MB1283PC4Interchangeable
interchangeable cross-reference
interchangeable
419166Interchangeable
interchangeable cross-reference
interchangeable
N28Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BS5-1559PC30?
BS5-1559PC30 is a KEY,MACHINE.
What parts can replace BS5-1559PC30?
There are 4 known substitutes for BS5-1559PC30: C91080A1PC299, MB1283PC4, 419166 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BS5-1559PC30?
BS5-1559PC30 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-199-0545. 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