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28KP665 — PIN,SHOULDER,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

28KP665: PIN,SHOULDER,HEADED.

The PIN,SHOULDER,HEADED is a the manufacturer industrial component. Key specifications include height: 0.100 INCHES NOMINAL IN, material: STEEL COMP 303 OVERALL, head_style: FLAT CHAMFER, first_end_style: CHAMFERED, special_features: 2 .029 INCH GROVES CENTERED 2.125 AND 2.850 INCHES FROM THE BOTOM OF THE HEAD IN, style_designator: SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-603-0666, 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
28KP665
NSN: 5315-01-603-0666
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
height0.100 INCHES NOMINAL IN
materialSTEEL COMP 303 OVERALL
head_styleFLAT CHAMFER
first_end_styleCHAMFERED
special_features2 .029 INCH GROVES CENTERED 2.125 AND 2.850 INCHES FROM THE BOTOM OF THE HEAD IN
style_designatorSHOULDER
first_step_length1.024 INCHES MINIMUM AND 1.026 INCHES MAXIMUM IN
pin_head_diameter0.625 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
under_head_length3.090 INCHES MINIMUM AND 3.110 INCHES MAXIMUM IN
second_step_length2.074 INCHES MINIMUM AND 2.076 INCHES MAXIMUM IN
first_step_diameter0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
NSN5315-01-603-0666
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 28KP665 · 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: 0.050 INCHES NOMINAL IN
•
FIRST STEP DIAMETER: 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: SAE-AMS 2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
UNDER HEAD LENGTH: 3.090 INCHES MINIMUM AND 3.110 INCHES MAXIMUM IN
•
FIRST END STYLE: CHAMFERED
•
SECOND STEP LENGTH: 2.074 INCHES MINIMUM AND 2.076 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDER
•
PIN HEAD DIAMETER: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.050 INCHES NOMINAL IN
FIRST STEP DIAMETER0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONSAE-AMS 2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
UNDER HEAD LENGTH3.090 INCHES MINIMUM AND 3.110 INCHES MAXIMUM IN
FIRST END STYLECHAMFERED
SECOND STEP LENGTH2.074 INCHES MINIMUM AND 2.076 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDER
PIN HEAD DIAMETER0.625 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OR 581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
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 1
12508471Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 28KP665?
28KP665 is a PIN,SHOULDER,HEADED.
What parts can replace 28KP665?
There is 1 known substitute for 28KP665: 12508471. Substitute compatibility should be verified for your specific system.
What is the NSN for 28KP665?
28KP665 is cataloged in the U.S. Government catalog under NSN 5315-01-603-0666. This indicates validated use in U.S. government and defense supply chains.
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