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Technical Data Sheet
4023391 ✓ 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 LEVER,MANUAL CONTROL is a the manufacturer industrial component. Key specifications include special_features: STEEL,RED OXIDE PRIMED;INCLUDES MANUAL ADJUSTING FEATURE;4.500 IN.O/A LG;1.375 IN.O/A W;22.500 IN. O/A H IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-373-3035, 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
4023391
NSN: 5310-00-373-3035
FSC: 5310
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
special_featuresSTEEL,RED OXIDE PRIMED;INCLUDES MANUAL ADJUSTING FEATURE;4.500 IN.O/A LG;1.375 IN.O/A W;22.500 IN. O/A H IN
NSN5310-00-373-3035
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4023391 · 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: STEEL OVERALL
SURFACE TREATMENT: SILVER OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NUT COUNTERBORE DEPTH: 0.105 INCHES MINIMUM AND 0.111 INCHES MAXIMUM NUT IN
HARDNESS RATING: 24.0 ROCKWELL C MINIMUM
THREAD QUANTITY PER INCH: 28
COUNTERBORE DIAMETER: 0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM NUT IN
NOMINAL THREAD SIZE: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
SURFACE TREATMENTSILVER OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NUT COUNTERBORE DEPTH0.105 INCHES MINIMUM AND 0.111 INCHES MAXIMUM NUT IN
HARDNESS RATING24.0 ROCKWELL C MINIMUM
THREAD QUANTITY PER INCH28
COUNTERBORE DIAMETER0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM NUT IN
NOMINAL THREAD SIZE0.250 INCHES IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
4021905Interchangeable
interchangeable cross-reference
interchangeable
73974-428Interchangeable
interchangeable cross-reference
interchangeable
4023390Interchangeable
interchangeable cross-reference
interchangeable
806827Interchangeable
interchangeable cross-reference
interchangeable
4021907Interchangeable
interchangeable cross-reference
interchangeable
4023391Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4023391?
4023391 is a LEVER,MANUAL CONTROL.
What parts can replace 4023391?
There are 10 known substitutes for 4023391: 4021905, 73974-428, 4023390 and 7 more. Substitute compatibility should be verified for your specific system.
Is 4023391 still available?
4023391 is currently cancelled.
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