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Technical Data Sheet

BS4-1806PC33 — Technical Data Sheet

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— · 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: 0.187 INCHES NOMINAL IN, overall_height: 0.187 INCHES NOMINAL IN, overall_length: 1.000 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 under NSN 5315-00-199-3473, 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
BS4-1806PC33
NSN: 5315-00-199-3473
FSC: 5315
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialNICKEL ALLOY R-405 OVERALL
overall_width0.187 INCHES NOMINAL IN
overall_height0.187 INCHES NOMINAL IN
overall_length1.000 INCHES NOMINAL IN
style_designatorPLAIN
starting_edge_shapeSTRAIGHT
material_document_and_classificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-199-3473
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BS4-1806PC33 · 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
•
MATERIAL: NICKEL ALLOY R-405 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: PLAIN
TECHNICAL CHARACTERISTICS
STARTING EDGE SHAPESTRAIGHT
MATERIALNICKEL ALLOY R-405 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORPLAIN
OVERALL LENGTH1.000 INCHES NOMINAL IN
OVERALL WIDTH0.187 INCHES NOMINAL IN
OVERALL HEIGHT0.187 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
CLASS2SIZE1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MX-993/UInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
N42InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
BS4-1530PC33InterchangeableGOVERNMENT REGISTRY
Key,machine
interchangeable
BS4-1500PC24InterchangeableGOVERNMENT REGISTRY
Key,machine
interchangeable
BS4-1686PC33InterchangeableGOVERNMENT REGISTRY
Key,machine
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BS4-1806PC33?
BS4-1806PC33 is a KEY,MACHINE.
What parts can replace BS4-1806PC33?
There are 10 known substitutes for BS4-1806PC33: CLASS2SIZE1, MX-993/U, N42 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BS4-1806PC33?
BS4-1806PC33 is cataloged in the Federal Logistics Information System under NSN 5315-00-199-3473. This indicates validated use in U.S. government and defense supply chains.
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