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Technical Data Sheet
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261-0215-008 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

261-0215-008: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-00-182-3068, 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
261-0215-008
NSN: 5331-00-182-3068
NIINs: 001823068, 014535087
FSC: 5331 — O-ring
CAGE: 94756 — THE BOEING COMPANY DIV LEGACY BOEING HB1 (USA)
SPECIFICATIONS
special_featuresNSN ESTABLISHED PER HILL AFB FOR FORMATION OF KIT NSN 6545-01-449-1154 IN SUPPORT OF MINUTEMAN MISSILE GUIDANCE HARDWARE REPLACEMENT; MATERIAL IS TO BE BOUGHT ONLY FROM STILLMAN SEAL; CAGEC 95272 IN
NSN5331-00-182-3068
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 261-0215-008 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: 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 20.188 INCHES MINIMUM AND 20.312 INCHES MAXIMUM IN
•
MATERIAL: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
CENTER HOLE DIAMETER20.188 INCHES MINIMUM AND 20.312 INCHES MAXIMUM IN
MATERIALRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
SUBSTITUTES & CROSS-REFERENCES 4
10000983Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2025-0125B318-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
AUT20250X125ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2025-0125B318-70Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 261-0215-008?
261-0215-008 is a O-RING.
What parts can replace 261-0215-008?
There are 4 known substitutes for 261-0215-008: 10000983, 2025-0125B318-7, AUT20250X125A and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 261-0215-008?
261-0215-008 is cataloged in the U.S. Government catalog under NSN 5331-00-182-3068. This indicates validated use in U.S. government and defense supply chains.
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