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78127-4 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

78127-4: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, first_end_style: CHAMFERED, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL, second_end_style: RADIUS, pin_overall_length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, pin_overall_diameter: 0.1251 INCHES MINIMUM AND 0.1253 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-098-7993, 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
78127-4
NSN: 5315-01-098-7993
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 11599 — TRIUMPH ENGINE CONTROL SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
first_end_styleCHAMFERED
hardness_rating35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
second_end_styleRADIUS
pin_overall_length0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
pin_overall_diameter0.1251 INCHES MINIMUM AND 0.1253 INCHES MAXIMUM IN
first_end_taper_angle4.0 DEGREES MINIMUM AND 12.0 DEGREES MAXIMUM
first_end_taper_length0.320 INCHES NOMINAL IN
second_end_corner_radius0.016 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
material_document_and_classificationAMS5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endNOT IDENTICAL
NSN5315-01-098-7993
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 78127-4 · 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 LENGTH: 0.320 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST END TAPER ANGLE: 4.0 DEGREES MINIMUM AND 12.0 DEGREES MAXIMUM
•
PIN OVERALL DIAMETER: 0.1251 INCHES MINIMUM AND 0.1253 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.320 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST END TAPER ANGLE4.0 DEGREES MINIMUM AND 12.0 DEGREES MAXIMUM
PIN OVERALL DIAMETER0.1251 INCHES MINIMUM AND 0.1253 INCHES MAXIMUM IN
PIN OVERALL LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END STYLERADIUS
MATERIALSTEEL CORROSION RESISTING 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 78127-4?
78127-4 is a PIN,STRAIGHT,HEADLESS.
What is the NSN for 78127-4?
78127-4 is cataloged in the U.S. Government catalog under NSN 5315-01-098-7993. This indicates validated use in U.S. government and defense supply chains.
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