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5216553 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5216553: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include height: 0.375 INCHES NOMINAL IN, diameter: 1.494 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN, material: STEEL COMP 4130 OVERALL, head_style: FLAT, chamfer_length: 0.062 INCHES NOMINAL IN, hardness_rating: 302.0 BRINELL STANDARD MINIMUM AND 352.0 BRINELL STANDARD MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-316-1014, 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
5216553
NSN: 5315-00-316-1014
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 40152 — VME AMERICAS INC SUB OF VME GROUP N V (USA)
SPECIFICATIONS
height0.375 INCHES NOMINAL IN
diameter1.494 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
materialSTEEL COMP 4130 OVERALL
head_styleFLAT
chamfer_length0.062 INCHES NOMINAL IN
hardness_rating302.0 BRINELL STANDARD MINIMUM AND 352.0 BRINELL STANDARD MAXIMUM OVERALL
style_designatorSTRAIGHT
pin_chamfer_angle45.0 DEGREES NOMINAL
pin_head_diameter2.500 INCHES NOMINAL IN
under_head_length12.000 INCHES NOMINAL IN
first_hole_diameter0.312 INCHES NOMINAL IN
hole_arrangement_styleONE END DRILLED
NSN5315-00-316-1014
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5216553 · 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: 0.062 INCHES NOMINAL IN
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
UNDER HEAD LENGTH: 12.000 INCHES NOMINAL IN
•
PIN CHAMFER ANGLE: 45.0 DEGREES NOMINAL
•
FIRST HOLE DIAMETER: 0.312 INCHES NOMINAL IN
•
HARDNESS RATING: 302.0 BRINELL STANDARD MINIMUM AND 352.0 BRINELL STANDARD MAXIMUM OVERALL
•
STYLE DESIGNATOR: STRAIGHT
•
PIN HEAD DIAMETER: 2.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CHAMFER LENGTH0.062 INCHES NOMINAL IN
HOLE ARRANGEMENT STYLEONE END DRILLED
UNDER HEAD LENGTH12.000 INCHES NOMINAL IN
PIN CHAMFER ANGLE45.0 DEGREES NOMINAL
FIRST HOLE DIAMETER0.312 INCHES NOMINAL IN
HARDNESS RATING302.0 BRINELL STANDARD MINIMUM AND 352.0 BRINELL STANDARD MAXIMUM OVERALL
STYLE DESIGNATORSTRAIGHT
PIN HEAD DIAMETER2.500 INCHES NOMINAL IN
DIAMETER1.494 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
HEAD STYLEFLAT
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 2
HCF2551Reference document
Same NSN cross-reference
Reference document — Secondary reference
128221R11Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 5216553?
5216553 is a PIN,STRAIGHT,HEADED.
What parts can replace 5216553?
There are 2 known substitutes for 5216553: HCF2551, 128221R11. Substitute compatibility should be verified for your specific system.
What is the NSN for 5216553?
5216553 is cataloged in the U.S. Government catalog under NSN 5315-00-316-1014. 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.