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PartsTable / COMPONENT / R944PC93
R944PC93 ✓ 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 400 OVERALL, overall_width: 0.188 INCHES NOMINAL IN, overall_height: 0.188 INCHES NOMINAL IN, overall_length: 3.750 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 5315-01-011-7152, 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
R944PC93
NSN: 5315-01-011-7152
FSC: 5315
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 OVERALL
overall_width0.188 INCHES NOMINAL IN
overall_height0.188 INCHES NOMINAL IN
overall_length3.750 INCHES NOMINAL IN
style_designatorPLAIN
starting_edge_shapeSTRAIGHT
material_document_and_classificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-01-011-7152
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: R944PC93 · 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 DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: NICKEL ALLOY 400 OVERALL
•
STYLE DESIGNATOR: PLAIN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.188 INCHES NOMINAL IN
STARTING EDGE SHAPESTRAIGHT
OVERALL LENGTH3.750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY 400 OVERALL
STYLE DESIGNATORPLAIN
OVERALL HEIGHT0.188 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
SR-529A-40Interchangeable
interchangeable cross-reference
interchangeable
BAC1521-267Interchangeable
interchangeable cross-reference
interchangeable
40-E-17Interchangeable
interchangeable cross-reference
interchangeable
2540-C-1182Interchangeable
interchangeable cross-reference
interchangeable
3054-AInterchangeable
interchangeable cross-reference
interchangeable
2-0347Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R944PC93?
R944PC93 is a KEY,MACHINE.
What parts can replace R944PC93?
There are 7 known substitutes for R944PC93: SR-529A-40, BAC1521-267, 40-E-17 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R944PC93?
R944PC93 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-011-7152. 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