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CH4MM-8 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

CH4MM-8: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 2.30 MILLIMETERS MAXIMUM MM, diameter: 4.0 MILLIMETERS NOMINAL MM, material: STEEL OVERALL, head_style: RIBBED, special_features: UNTHREADED, style_designator: STRAIGHT. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-718-0420, 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
CH4MM-8
NSN: 5315-01-718-0420
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 56987 — CAPTIVE FASTENERS CORP (USA)
SPECIFICATIONS
height2.30 MILLIMETERS MAXIMUM MM
diameter4.0 MILLIMETERS NOMINAL MM
materialSTEEL OVERALL
head_styleRIBBED
special_featuresUNTHREADED
style_designatorSTRAIGHT
pin_head_diameter6.0 MILLIMETERS NOMINAL MM
surface_treatmentZINC OVERALL
under_head_length5.7 MILLIMETERS NOMINAL MM
part_name_assigned_by_controlling_agencyPIN, HEAT TREATED
NSN5315-01-718-0420
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: CH4MM-8 · 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
•
UNDER HEAD LENGTH: 5.7 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 6.0 MILLIMETERS NOMINAL MM
•
DIAMETER: 4.0 MILLIMETERS NOMINAL MM
•
HEAD STYLE: RIBBED
•
HEIGHT: 2.30 MILLIMETERS MAXIMUM MM
•
SURFACE TREATMENT: ZINC OVERALL
TECHNICAL CHARACTERISTICS
UNDER HEAD LENGTH5.7 MILLIMETERS NOMINAL MM
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER6.0 MILLIMETERS NOMINAL MM
DIAMETER4.0 MILLIMETERS NOMINAL MM
HEAD STYLERIBBED
HEIGHT2.30 MILLIMETERS MAXIMUM MM
SPECIAL FEATURESUNTHREADED
SURFACE TREATMENTZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYPIN, HEAT TREATED
MATERIALSTEEL OVERALL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CH4MM-8?
CH4MM-8 is a PIN,STRAIGHT,HEADED.
What is the NSN for CH4MM-8?
CH4MM-8 is cataloged in the U.S. Government catalog under NSN 5315-01-718-0420. 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.