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543665 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

543665: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN, diameter: 0.1256 INCHES MINIMUM AND 0.1258 INCHES MAXIMUM IN, material: STEEL COMP 615 OVERALL, head_style: FLAT CHAMFER, chamfer_length: 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN, hardness_rating: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-113-1377, 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
543665
NSN: 5315-01-113-1377
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
height0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
diameter0.1256 INCHES MINIMUM AND 0.1258 INCHES MAXIMUM IN
materialSTEEL COMP 615 OVERALL
head_styleFLAT CHAMFER
chamfer_length0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSTRAIGHT
pin_chamfer_angle45.0 DEGREES NOMINAL
pin_head_diameter0.179 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
under_head_length0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
material_document_and_classificationAMS5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5315-01-113-1377
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 543665 · 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
•
CHAMFER LENGTH: 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
•
UNDER HEAD LENGTH: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 0.179 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.1256 INCHES MINIMUM AND 0.1258 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
UNDER HEAD LENGTH0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
PIN CHAMFER ANGLE45.0 DEGREES NOMINAL
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER0.179 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.1256 INCHES MINIMUM AND 0.1258 INCHES MAXIMUM IN
HEAD STYLEFLAT CHAMFER
HEIGHT0.110 INCHES MINIMUM AND 0.115 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 543665?
543665 is a PIN,STRAIGHT,HEADED.
What is the NSN for 543665?
543665 is cataloged in the U.S. Government catalog under NSN 5315-01-113-1377. 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.