PartsTable
Technical Data Sheet
SM-B-338758 ✓ 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,TAPERED,PLAIN is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL COMP 303 OVERALL, surface_finish: 32.0 MICROINCHES OVERALL, first_end_style: CHAMFERED, second_end_style: SQUARE, special_features: 0.062 IN. W CIRCULAR GROOVE SECOND END IN, first_end_location: CHAMFERED END.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-351-9004, 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
SM-B-338758
NSN: 5315-00-351-9004
FSC: 5315
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
surface_finish32.0 MICROINCHES OVERALL
first_end_styleCHAMFERED
second_end_styleSQUARE
special_features0.062 IN. W CIRCULAR GROOVE SECOND END IN
first_end_locationCHAMFERED END
large_end_diameter0.2181 INCHES MINIMUM AND 0.2186 INCHES MAXIMUM IN
pin_overall_length0.371 INCHES NOMINAL IN
pin_size_designation3
first_end_taper_angle60.0 DEGREES NOMINAL
material_document_and_classificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endNOT IDENTICAL
NSN5315-00-351-9004
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SM-B-338758 · 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
FIRST END TAPER ANGLE: 60.0 DEGREES NOMINAL
FIRST END LOCATION: CHAMFERED END
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
SURFACE FINISH: 32.0 MICROINCHES OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
LARGE END DIAMETER: 0.2181 INCHES MINIMUM AND 0.2186 INCHES MAXIMUM IN
MATERIAL: STEEL COMP 303 OVERALL
PIN SIZE DESIGNATION: 3
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END TAPER ANGLE60.0 DEGREES NOMINAL
FIRST END LOCATIONCHAMFERED END
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SURFACE FINISH32.0 MICROINCHES OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
LARGE END DIAMETER0.2181 INCHES MINIMUM AND 0.2186 INCHES MAXIMUM IN
MATERIALSTEEL COMP 303 OVERALL
PIN SIZE DESIGNATION3
FIRST END STYLECHAMFERED
SECOND END STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
69526-1Interchangeable
interchangeable cross-reference
interchangeable
11531Interchangeable
interchangeable cross-reference
interchangeable
120 31/64Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-751Interchangeable
interchangeable cross-reference
interchangeable
2510 31/64Interchangeable
interchangeable cross-reference
interchangeable
7-1153-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-B-338758?
SM-B-338758 is a PIN,TAPERED,PLAIN.
What parts can replace SM-B-338758?
There are 14 known substitutes for SM-B-338758: 69526-1, 11531, 120 31/64 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-B-338758?
SM-B-338758 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-351-9004. This indicates validated use in U.S. government and defense supply chains.
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