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721016 — RING,PISTON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

721016: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: GLASS FIBER OVERALL, ring_style: CONCENTRIC, joint_style: DIAGONAL JOINT, overall_width: 0.1240 INCHES NOMINAL IN, radial_wall_thickness: 0.2500 INCHES NOMINAL IN, standard_bore_diameter: 2.5000 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-672-5866, 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
721016
NSN: 5310-00-672-5866
NIINs: 006725866, 013392170
FSC: 5310 — Nuts and Washers
CAGE: 94861 — MALABAR (USA)
SPECIFICATIONS
materialGLASS FIBER OVERALL
ring_styleCONCENTRIC
joint_styleDIAGONAL JOINT
overall_width0.1240 INCHES NOMINAL IN
radial_wall_thickness0.2500 INCHES NOMINAL IN
standard_bore_diameter2.5000 INCHES IN
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN5310-00-672-5866
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 721016 · 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 721016?
721016 is a RING,PISTON.
What is the NSN for 721016?
721016 is cataloged in the U.S. Government catalog under NSN 5310-00-672-5866. 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.