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78127-10-2 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

78127-10-2: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416F OVERALL, shank_length: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN, overall_length: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, shank_diameter: 0.1876 INCHES MINIMUM AND 0.1878 INCHES MAXIMUM IN, surface_finish: 125.000 MICROINCHES OUTSIDE DIAMETER, first_end_style: CHAMFERED. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-385-4286, 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
78127-10-2
NSN: 5315-00-385-4286
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 11599 — TRIUMPH ENGINE CONTROL SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 416F OVERALL
shank_length0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
overall_length0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
shank_diameter0.1876 INCHES MINIMUM AND 0.1878 INCHES MAXIMUM IN
surface_finish125.000 MICROINCHES OUTSIDE DIAMETER
first_end_styleCHAMFERED
hardness_rating35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
special_featuresCHAMFER END MAY HAVE 0.015 IN. MIN 0.047 IN. MAX RADIUS IN LIEU OF CHAMFER IN
style_designatorSHOULDER
shoulder_diameter0.1894 INCHES MINIMUM AND 0.1896 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
first_end_locationBOTH ENDS
NSN5315-00-385-4286
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 78127-10-2 · 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: 0.1876 INCHES MINIMUM AND 0.1878 INCHES MAXIMUM IN
•
SURFACE FINISH: 125.000 MICROINCHES OUTSIDE DIAMETER
•
FIRST END TAPER LENGTH: 0.015 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
•
FIRST END LOCATION: BOTH ENDS
•
FIRST END STYLE: CHAMFERED
•
HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
•
SHANK LENGTH: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDER
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.1876 INCHES MINIMUM AND 0.1878 INCHES MAXIMUM IN
SURFACE FINISH125.000 MICROINCHES OUTSIDE DIAMETER
FIRST END TAPER LENGTH0.015 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
FIRST END LOCATIONBOTH ENDS
FIRST END STYLECHAMFERED
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
SHANK LENGTH0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 78127-10-2?
78127-10-2 is a PIN,SHOULDER,HEADLESS.
What is the NSN for 78127-10-2?
78127-10-2 is cataloged in the U.S. Government catalog under NSN 5315-00-385-4286. This indicates validated use in U.S. government and defense supply chains.
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