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4026744 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4026744: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_length: 0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN, overall_length: 1.030 INCHES MINIMUM AND 1.060 INCHES MAXIMUM IN, shank_diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, surface_finish: 125.000 MICROINCHES OVERALL, first_end_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-382-7909, 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
4026744
NSN: 5315-00-382-7909
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_length0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
overall_length1.030 INCHES MINIMUM AND 1.060 INCHES MAXIMUM IN
shank_diameter0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
surface_finish125.000 MICROINCHES OVERALL
first_end_styleSQUARE
style_designatorSHOULDER
shoulder_diameter0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN
surface_treatmentCHROMIUM OVERALL
first_end_locationSHOULDER END
second_shank_diameter0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
material_document_and_classificationAMS5744 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-382-7909
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4026744 · 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: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
SECOND SHANK DIAMETER: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
SURFACE FINISH: 125.000 MICROINCHES OVERALL
•
FIRST END LOCATION: SHOULDER END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS2406 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
FIRST END STYLE: SQUARE
•
SHANK LENGTH: 0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDER
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
SECOND SHANK DIAMETER0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
SURFACE FINISH125.000 MICROINCHES OVERALL
FIRST END LOCATIONSHOULDER END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2406 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
FIRST END STYLESQUARE
SHANK LENGTH0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5744 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.030 INCHES MINIMUM AND 1.060 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4026744?
4026744 is a PIN,SHOULDER,HEADLESS.
What is the NSN for 4026744?
4026744 is cataloged in the U.S. Government catalog under NSN 5315-00-382-7909. 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.