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PWA56018-25 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

PWA56018-25: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, thread_class: 2A A, thread_length: 0.370 INCHES NOMINAL IN, first_end_style: CHAMFERED, hardness_rating: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL, second_end_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-268-9882, 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
PWA56018-25
NSN: 5315-01-268-9882
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OVERALL
thread_class2A A
thread_length0.370 INCHES NOMINAL IN
first_end_styleCHAMFERED
hardness_rating28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
second_end_styleSQUARE
special_featuresFIRST STEP TAPER 3.0 DEGREE LENGTH OF 0.300 IN.; SURFACE FINISH ON TAPER AND SECOND STEP DIA 63.0 MICROINCHES,FIRST STEP BEFORE TAPER 32.0 MICROINCHES IN
style_designatorSHOULDER
thread_directionRIGHT-HAND
first_step_length0.560 INCHES NOMINAL IN
third_step_length0.370 INCHES NOMINAL IN
first_end_locationTAPERED END
NSN5315-01-268-9882
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PWA56018-25 · 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: 0.090 INCHES NOMINAL IN
•
FIRST STEP DIAMETER: 0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
FIRST END LOCATION: TAPERED END
•
THIRD STEP DIAMETER: 0.164 INCHES NOMINAL IN
•
THREAD LENGTH: 0.370 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
SECOND STEP LENGTH: 1.190 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.090 INCHES NOMINAL IN
FIRST STEP DIAMETER0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
FIRST END LOCATIONTAPERED END
THIRD STEP DIAMETER0.164 INCHES NOMINAL IN
THREAD LENGTH0.370 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
SECOND STEP LENGTH1.190 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE 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: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PWA56018-25?
PWA56018-25 is a PIN,SHOULDER,HEADLESS.
What is the NSN for PWA56018-25?
PWA56018-25 is cataloged in the U.S. Government catalog under NSN 5315-01-268-9882. This indicates validated use in U.S. government and defense supply chains.
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