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SM-B-186872 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

SM-B-186872: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1213 OVERALL, shank_length: 0.094 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.313 INCHES NOMINAL IN, overall_length: 0.625 INCHES NOMINAL IN, shank_diameter: 0.164 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-600-2916, 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-186872
NSN: 5315-00-600-2916
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialSTEEL COMP 1213 OVERALL
shank_length0.094 INCHES NOMINAL IN
thread_class2A A
thread_length0.313 INCHES NOMINAL IN
overall_length0.625 INCHES NOMINAL IN
shank_diameter0.164 INCHES NOMINAL IN
first_end_styleSQUARE
style_designatorSHOULDER
thread_directionRIGHT-HAND
surface_treatmentPHOSPHATE MANGANESE OVERALL
first_end_locationUNTHREADED END
nominal_thread_size0.190 INCHES IN
NSN5315-00-600-2916
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SM-B-186872 · 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
•
SHANK DIAMETER: 0.164 INCHES NOMINAL IN
•
SECOND SHANK DIAMETER: 0.190 INCHES NOMINAL IN
•
FIRST END LOCATION: UNTHREADED END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072 E211 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.313 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARE
•
SHANK LENGTH: 0.094 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.164 INCHES NOMINAL IN
SECOND SHANK DIAMETER0.190 INCHES NOMINAL IN
FIRST END LOCATIONUNTHREADED END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072 E211 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.313 INCHES NOMINAL IN
FIRST END STYLESQUARE
SHANK LENGTH0.094 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.625 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
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 SM-B-186872?
SM-B-186872 is a PIN,SHOULDER,HEADLESS.
What is the NSN for SM-B-186872?
SM-B-186872 is cataloged in the U.S. Government catalog under NSN 5315-00-600-2916. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.