PartsTable
Technical Data Sheet
R20394 ✓ 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 PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 1.159 INCHES NOMINAL IN, undercut_width: 0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN, first_end_style: CHAMFERED, hardness_rating: 89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL, effective_length: 1.001 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-290-1344, 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
R20394
NSN: 5315-00-290-1344
FSC: 5315
CAGE: 83120 — PRESSED METALS OF AMERICA INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length1.159 INCHES NOMINAL IN
undercut_width0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
first_end_styleCHAMFERED
hardness_rating89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
effective_length1.001 INCHES NOMINAL IN
second_end_styleCHAMFERED
features_providedCASEHARDENED
undercut_diameter0.203 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
first_end_locationBOTH ENDS
first_end_taper_angle43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM
intermediate_diameter0.2444 INCHES MINIMUM AND 0.2450 INCHES MAXIMUM IN
NSN5315-00-290-1344
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: R20394 · 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
FEATURES PROVIDED: CASEHARDENED
UNDERCUT WIDTH: 0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
UNDERCUT DIAMETER: 0.203 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
EFFECTIVE LENGTH: 1.001 INCHES NOMINAL IN
FIRST END TAPER LENGTH: 0.016 INCHES NOMINAL IN
PIN LARGE END DIAMETER: 0.294 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
FIRST END TAPER ANGLE: 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDCASEHARDENED
UNDERCUT WIDTH0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
UNDERCUT DIAMETER0.203 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
EFFECTIVE LENGTH1.001 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.016 INCHES NOMINAL IN
OVERALL LENGTH1.159 INCHES NOMINAL IN
PIN LARGE END DIAMETER0.294 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN
FIRST END TAPER ANGLE43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM
MATERIALSTEEL OVERALL
SECOND END TAPER ANGLE43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
900071Interchangeable
interchangeable cross-reference
interchangeable
700106Interchangeable
interchangeable cross-reference
interchangeable
774042Interchangeable
interchangeable cross-reference
interchangeable
116761Interchangeable
interchangeable cross-reference
interchangeable
A1046Interchangeable
interchangeable cross-reference
interchangeable
1507422REVBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R20394?
R20394 is a PIN,GROOVED,HEADLESS.
What parts can replace R20394?
There are 14 known substitutes for R20394: 900071, 700106, 774042 and 11 more. Substitute compatibility should be verified for your specific system.
Is R20394 still available?
R20394 is currently cancelled.
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