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109439 — RETAINER,WASHER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

109439: RETAINER,WASHER.

The RETAINER,WASHER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 1.375 INCHES NOMINAL IN, outside_diameter: 2.375 INCHES NOMINAL IN, style_designator: KEY, material_thickness: 0.062 INCHES NOMINAL IN, external_prebent_key_angle: 15.0 DEGREES NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-210-5522, 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
109439
NSN: 5331-00-210-5522
NIINs: 002105522, 003049010, 003778810, 008378394, 009494275
FSC: 5331 — O-ring
CAGE: 21930 — FLODYNE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter1.375 INCHES NOMINAL IN
outside_diameter2.375 INCHES NOMINAL IN
style_designatorKEY
material_thickness0.062 INCHES NOMINAL IN
external_prebent_key_angle15.0 DEGREES NOMINAL
external_prebent_key_width0.188 INCHES NOMINAL IN
external_prebent_key_length0.093 INCHES NOMINAL IN
NSN5331-00-210-5522
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 109439 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 6.452 INCHES MINIMUM AND 6.498 INCHES MAXIMUM IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
CENTER HOLE DIAMETER6.452 INCHES MINIMUM AND 6.498 INCHES MAXIMUM IN
MATERIALRUBBER CHLOROPRENE CLASS CR
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 109439?
109439 is a RETAINER,WASHER.
What is the NSN for 109439?
109439 is cataloged in the U.S. Government catalog under NSN 5331-00-210-5522. 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.