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647-3276-001 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

647-3276-001: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, shank_length: 0.100 INCHES NOMINAL IN, overall_length: 0.770 INCHES NOMINAL IN, shank_diameter: 0.053 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN, first_end_style: CHAMFERED, second_end_style: COUNTERBORED W/O THRU HOLE. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-274-9879, 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
647-3276-001
NSN: 5315-01-274-9879
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
shank_length0.100 INCHES NOMINAL IN
overall_length0.770 INCHES NOMINAL IN
shank_diameter0.053 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
first_end_styleCHAMFERED
second_end_styleCOUNTERBORED W/O THRU HOLE
style_designatorSHOULDER
shoulder_diameter0.091 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
first_end_locationLONG END
second_shank_length0.630 INCHES NOMINAL IN
first_end_taper_angle40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
second_shank_diameter0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
NSN5315-01-274-9879
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 647-3276-001 · 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: 0.053 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
•
SECOND SHANK DIAMETER: 0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
•
FIRST END LOCATION: LONG END
•
FIRST END STYLE: CHAMFERED
•
SHANK LENGTH: 0.100 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.053 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN
SECOND SHANK DIAMETER0.058 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
FIRST END LOCATIONLONG END
FIRST END STYLECHAMFERED
SHANK LENGTH0.100 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.770 INCHES NOMINAL IN
FIRST END TAPER ANGLE40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
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 647-3276-001?
647-3276-001 is a PIN,SHOULDER,HEADLESS.
What is the NSN for 647-3276-001?
647-3276-001 is cataloged in the U.S. Government catalog under NSN 5315-01-274-9879. This indicates validated use in U.S. government and defense supply chains.
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