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Technical Data Sheet
PartsTable / COMPONENT / 405P
405P ✓ 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 DOORKNOB is a the manufacturer industrial component. Key specifications include shape: ROUND KNOB, material: COPPER ALLOY KNOB, shank_type: STRAIGHT, design_type: PLAIN, usage_design: WITH SETSCREWS, special_features: DIAMETER:2.000 IN.NOM; IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-275-1437, 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
405P
NSN: 5310-00-275-1437
FSC: 5310
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
shapeROUND KNOB
materialCOPPER ALLOY KNOB
shank_typeSTRAIGHT
design_typePLAIN
usage_designWITH SETSCREWS
special_featuresDIAMETER:2.000 IN.NOM; IN
NSN5310-00-275-1437
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 405P · 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
•
MATERIAL: FIBER LOCKING INSERT
•
WIDTH ACROSS FLATS: 0.562 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
NUT STYLE: CAP
•
NUT HEIGHT: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALFIBER LOCKING INSERT
MATERIALCOPPER ALLOY OVERALL EXCEPT INSERT
WIDTH ACROSS FLATS0.562 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
NUT STYLECAP
NUT HEIGHT0.625 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.312 INCHES IN
THREAD CLASS3B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
405PInterchangeable
interchangeable cross-reference
interchangeable
198-04-51Interchangeable
interchangeable cross-reference
interchangeable
100PInterchangeable
interchangeable cross-reference
interchangeable
17844Interchangeable
interchangeable cross-reference
interchangeable
0180-2099Interchangeable
interchangeable cross-reference
interchangeable
1603267Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 405P?
405P is a DOORKNOB.
What parts can replace 405P?
There are 23 known substitutes for 405P: 405P, 198-04-51, 100P and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 405P?
405P is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-275-1437. 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