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A13645 — RING,PISTON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A13645: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include special_features: MATERIAL: PLASTIC, NON-MAGNETIC; FUNCTION: HYDRAULIC PISTON RING; DIMENSIONAL SIZE (MM): 18X18X4, part_name_assigned_by_controlling_agency: PISTON RING. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-282-3197, 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
A13645
NSN: 5310-01-282-3197
NIINs: 012823197, 016337975
FSC: 5310 — Nuts and Washers
CAGE: 28199 — L3 TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
special_featuresMATERIAL: PLASTIC, NON-MAGNETIC; FUNCTION: HYDRAULIC PISTON RING; DIMENSIONAL SIZE (MM): 18X18X4
part_name_assigned_by_controlling_agencyPISTON RING
NSN5310-01-282-3197
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A13645 · 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
•
OVERALL DIAMETER: 0.625 INCHES NOMINAL IN
•
MATERIAL: RUBBER OVERALL
•
HOLE DIAMETER: 0.218 INCHES NOMINAL IN
•
THICKNESS: 0.036 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.625 INCHES NOMINAL IN
SPECIAL FEATURESBONDED W/ELASTOMER NAT RUBBER DURO MIL-R-3065 GR RN315AB
PART NAME ASSIGNED BY CONTROLLING AGENCYISOLATOR WASHER
MATERIALRUBBER OVERALL
HOLE DIAMETER0.218 INCHES NOMINAL IN
THICKNESS0.036 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A13645?
A13645 is a RING,PISTON.
What is the NSN for A13645?
A13645 is cataloged in the U.S. Government catalog under NSN 5310-01-282-3197. 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.