PartsTable
Technical Data Sheet
13221E6571 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.380 INCHES NOMINAL IN, diameter: 1.427 INCHES MINIMUM AND 1.437 INCHES MAXIMUM IN, material: STEEL OVERALL, head_style: PAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION), chamfer_length: 0.690 INCHES NOMINAL IN, special_features: WITH STEEL CHAIN,RING AND PIN ATTACHED BY NO.

12 DRIVE SCREW. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-091-2073, 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
13221E6571
NSN: 5315-01-091-2073
FSC: 5315
CAGE: 97403 — CECOM LR CENTER (USA)
SPECIFICATIONS
height0.380 INCHES NOMINAL IN
diameter1.427 INCHES MINIMUM AND 1.437 INCHES MAXIMUM IN
materialSTEEL OVERALL
head_stylePAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION)
chamfer_length0.690 INCHES NOMINAL IN
special_featuresWITH STEEL CHAIN,RING AND PIN ATTACHED BY NO. 12 DRIVE SCREW
style_designatorSTRAIGHT
pin_chamfer_angle20.0 DEGREES NOMINAL
pin_head_diameter1.750 INCHES NOMINAL IN
surface_treatmentCADMIUM OR ZINC OVERALL
under_head_length6.120 INCHES NOMINAL IN
first_hole_diameter0.344 INCHES NOMINAL IN
NSN5315-01-091-2073
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 13221E6571 · 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
PIN CHAMFER ANGLE: 20.0 DEGREES NOMINAL
HEAD STYLE: PAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION)
DIAMETER: 1.427 INCHES MINIMUM AND 1.437 INCHES MAXIMUM IN
PIN HEAD DIAMETER: 1.750 INCHES NOMINAL IN
MATERIAL: STEEL OVERALL
STYLE DESIGNATOR: STRAIGHT
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESWITH STEEL CHAIN,RING AND PIN ATTACHED BY NO. 12 DRIVE SCREW
PIN CHAMFER ANGLE20.0 DEGREES NOMINAL
HEAD STYLEPAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION)
DIAMETER1.427 INCHES MINIMUM AND 1.437 INCHES MAXIMUM IN
PIN HEAD DIAMETER1.750 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSTRAIGHT
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
CHAMFER LENGTH0.690 INCHES NOMINAL IN
FIRST HOLE DIAMETER0.344 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
33206Interchangeable
interchangeable cross-reference
interchangeable
NAS1382-5Interchangeable
interchangeable cross-reference
interchangeable
NAS1382Interchangeable
interchangeable cross-reference
interchangeable
NJ307Interchangeable
interchangeable cross-reference
interchangeable
MR1307ELInterchangeable
interchangeable cross-reference
interchangeable
NJM35Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 13221E6571?
13221E6571 is a PIN,STRAIGHT,HEADED.
What parts can replace 13221E6571?
There are 13 known substitutes for 13221E6571: 33206, NAS1382-5, NAS1382 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 13221E6571?
13221E6571 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-091-2073. This indicates validated use in U.S. government and defense supply chains.
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