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A28552-1 — PIN,SHOULDER,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A28552-1: PIN,SHOULDER,HEADED.

The PIN,SHOULDER,HEADED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, surface_finish: 32.0 MICROINCHES SQUARE END, style_designator: SHOULDER, first_step_length: 0.577 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, under_head_length: 0.652 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-219-3121, 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
A28552-1
NSN: 5315-01-219-3121
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 9P5N5 — MOOG MILITARY AIRCRAFT LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
surface_finish32.0 MICROINCHES SQUARE END
style_designatorSHOULDER
first_step_length0.577 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
under_head_length0.652 INCHES NOMINAL IN
second_step_length0.072 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
first_step_diameter0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
second_step_diameter0.1320 INCHES MINIMUM AND 0.1355 INCHES MAXIMUM IN
first_end_countersink_angle90.0 DEGREES NOMINAL
first_end_countersink_diameter0.102 INCHES NOMINAL IN
material_document_and_classificationAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5315-01-219-3121
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A28552-1 · 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
•
SURFACE FINISH: 32.0 MICROINCHES SQUARE END
•
FIRST STEP DIAMETER: 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
•
FIRST END COUNTERSINK DIAMETER: 0.102 INCHES NOMINAL IN
•
UNDER HEAD LENGTH: 0.652 INCHES NOMINAL IN
•
SECOND STEP LENGTH: 0.072 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST END COUNTERSINK ANGLE: 90.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES SQUARE END
FIRST STEP DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
FIRST END COUNTERSINK DIAMETER0.102 INCHES NOMINAL IN
UNDER HEAD LENGTH0.652 INCHES NOMINAL IN
SECOND STEP LENGTH0.072 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST END COUNTERSINK ANGLE90.0 DEGREES NOMINAL
SECOND STEP DIAMETER0.1320 INCHES MINIMUM AND 0.1355 INCHES MAXIMUM IN
FIRST STEP LENGTH0.577 INCHES NOMINAL 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A28552-1?
A28552-1 is a PIN,SHOULDER,HEADED.
What is the NSN for A28552-1?
A28552-1 is cataloged in the U.S. Government catalog under NSN 5315-01-219-3121. This indicates validated use in U.S. government and defense supply chains.
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