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PRS21-6 — PRS21-6

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

PRS21-6: PRS21-6.

The PRS21-6 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-456-3729, 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
PRS21-6
NSN: 5331-01-456-3729
FSC: 5331 — O-ring
CAGE: 63054 — SUB AQUATICS, INC. DBA BREATHING AIR SYSTEMS DIV SUB-AQUATICS INC, DBA BREATHING AIR SYSTEMS (USA)
SPECIFICATIONS
Part NumberPRS21-6
NSN5331-01-456-3729
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PRS21-6 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONPREPROVISIONING SUPPORT NAVICP IS POEE
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 PRS21-6?
PRS21-6 is a PRS21-6.
What is the NSN for PRS21-6?
PRS21-6 is cataloged in the U.S. Government catalog under NSN 5331-01-456-3729. This indicates validated use in U.S. government and defense supply chains.
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