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556AS144-2 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

556AS144-2: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, shank_length: 0.375 INCHES NOMINAL IN, overall_length: 2.375 INCHES NOMINAL IN, shank_diameter: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES OUTSIDE DIAMETER, first_end_style: CHAMFERED. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-119-7522, 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
556AS144-2
NSN: 5315-00-119-7522
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 416 OVERALL
shank_length0.375 INCHES NOMINAL IN
overall_length2.375 INCHES NOMINAL IN
shank_diameter0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES OUTSIDE DIAMETER
first_end_styleCHAMFERED
hardness_rating28.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
second_end_styleCHAMFERED
special_featuresHOLE TAPPED 10-24 UMC 3B THREAD AND SHORT SHANK CHAMFER TO HAVE A 0.031 IN. RADIUS IN
style_designatorSHOULDER
shoulder_diameter0.498 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
NSN5315-00-119-7522
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 556AS144-2 · 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: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
SECOND SHANK DIAMETER: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
SURFACE FINISH: 63.0 MICROINCHES OUTSIDE DIAMETER
•
FIRST END TAPER LENGTH: 0.031 INCHES NOMINAL IN
•
FIRST END LOCATION: LONG END
•
SECOND END TAPER ANGLE: 15.0 DEGREES NOMINAL
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
FIRST END STYLE: CHAMFERED
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
SECOND SHANK DIAMETER0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER
FIRST END TAPER LENGTH0.031 INCHES NOMINAL IN
FIRST END LOCATIONLONG END
SECOND END TAPER ANGLE15.0 DEGREES NOMINAL
HOLE ARRANGEMENT STYLEONE END DRILLED
FIRST END STYLECHAMFERED
FIRST HOLE DIAMETER0.190 INCHES NOMINAL IN
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM 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 556AS144-2?
556AS144-2 is a PIN,SHOULDER,HEADLESS.
What is the NSN for 556AS144-2?
556AS144-2 is cataloged in the U.S. Government catalog under NSN 5315-00-119-7522. This indicates validated use in U.S. government and defense supply chains.
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