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6509-72 — DISK,RUPTURABLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6509-72: DISK,RUPTURABLE.

The DISK,RUPTURABLE is a the manufacturer industrial component. Key specifications include end_item_identification: SAR/SCBA SYSTEM. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-552-1381, 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
6509-72
NSN: 5340-00-552-1381
NIINs: 005521381, 014257917
FSC: 5340 — Hardware, Commercial
CAGE: 82577 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
end_item_identificationSAR/SCBA SYSTEM
NSN5340-00-552-1381
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6509-72 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
•
OPENING INSIDE DIAMETER: 0.172 INCHES NOMINAL IN
•
STYLE DESIGNATOR: THRU-HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-3065,TYPE S,CLASS SB,GRADE 410 MIL SPEC SINGLE MATERIAL RESPONSE BODY
•
BASE OUTSIDE DIAMETER: 1.062 INCHES NOMINAL IN
•
MATERIAL: RUBBER BODY
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.150 INCHES NOMINAL IN
OPENING INSIDE DIAMETER0.172 INCHES NOMINAL IN
STYLE DESIGNATORTHRU-HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-3065,TYPE S,CLASS SB,GRADE 410 MIL SPEC SINGLE MATERIAL RESPONSE BODY
BASE OUTSIDE DIAMETER1.062 INCHES NOMINAL IN
MATERIALRUBBER BODY
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 6509-72?
6509-72 is a DISK,RUPTURABLE.
What is the NSN for 6509-72?
6509-72 is cataloged in the U.S. Government catalog under NSN 5340-00-552-1381. 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.