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ST269Z5B — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ST269Z5B: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: STRAINER, SIM. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-108-3783, 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
ST269Z5B
NSN: 5331-01-108-3783
NIINs: 011083783, 016176255
FSC: 5331 — O-ring
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
end_item_identificationSTRAINER, SIM
NSN5331-01-108-3783
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ST269Z5B 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: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 7.512 INCHES NOMINAL IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A NOMINAL
•
ELONGATION PERCENTAGE: 250 MAXIMUM
•
CENTER HOLE DIAMETER: 7.189 INCHES MINIMUM AND 7.279 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER7.512 INCHES NOMINAL IN
HARDNESS RATING65.0 SHORE DUROMETER A NOMINAL
ELONGATION PERCENTAGE250 MAXIMUM
CENTER HOLE DIAMETER7.189 INCHES MINIMUM AND 7.279 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONLOGISTICS SUPPORT VESSEL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 5
ST269-Z-5-BMILSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AS568-263MILG1149TYPE2CLASS5Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS568-263MIL-G- 1149 TY II CL 5Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MIL-PRF-1149 TY 2 CL 5Reference document
Same NSN cross-reference
Reference document — Identification reference
AS568-263Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 ST269Z5B?
ST269Z5B is a O-RING.
What parts can replace ST269Z5B?
There are 5 known substitutes for ST269Z5B: ST269-Z-5-BMIL, AS568-263MILG1149TYPE2CLASS5, AS568-263MIL-G- 1149 TY II CL 5 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST269Z5B?
ST269Z5B is cataloged in the U.S. Government catalog under NSN 5331-01-108-3783. This indicates validated use in U.S. government and defense supply chains.
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