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SMB423581 — SHAFT,STRAIGHT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

SMB423581: SHAFT,STRAIGHT.

The SHAFT,STRAIGHT is a the manufacturer industrial component. Key specifications include diameter: 0.305 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN, material: STEEL COMP 302 OVERALL, end_similarity: IDENTICAL, overall_length: 3.680 INCHES NOMINAL IN, surface_finish: 63.0 MICROINCHES LARGE SHANK, undercut_width: 0.029 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-912-5396, 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
SMB423581
NSN: 5315-00-912-5396
NIINs: 009125396, 009730244
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
diameter0.305 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
materialSTEEL COMP 302 OVERALL
end_similarityIDENTICAL
overall_length3.680 INCHES NOMINAL IN
surface_finish63.0 MICROINCHES LARGE SHANK
undercut_width0.029 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN
first_end_styleCHAMFERED
effective_length3.295 INCHES MINIMUM AND 3.300 INCHES MAXIMUM IN
style_designatorGROOVE
surface_treatmentPASSIVATE OVERALL
undercut_diameter0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
first_end_diameter0.3120 INCHES NOMINAL IN
NSN5315-00-912-5396
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SMB423581 · 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
•
SURFACE FINISH: 63.0 MICROINCHES LARGE SHANK
•
UNDERCUT WIDTH: 0.029 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN
•
FIRST END TAPER LENGTH: 0.030 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
•
FIRST END LOCATION: BOTH ENDS
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FIRST END STYLE: CHAMFERED
•
STYLE DESIGNATOR: GROOVE
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES LARGE SHANK
UNDERCUT WIDTH0.029 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN
FIRST END TAPER LENGTH0.030 INCHES NOMINAL IN
UNDERCUT DIAMETER0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
FIRST END LOCATIONBOTH ENDS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
FIRST END STYLECHAMFERED
STYLE DESIGNATORGROOVE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.305 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SMB423581?
SMB423581 is a SHAFT,STRAIGHT.
What is the NSN for SMB423581?
SMB423581 is cataloged in the U.S. Government catalog under NSN 5315-00-912-5396. This indicates validated use in U.S. government and defense supply chains.
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