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NAS1611-031 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

NAS1611-031: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER ETHYLENE-PROPYLENE CLASS EPM, temp_rating: -70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM, center_hole_diameter: 1.724 INCHES MINIMUM AND 1.754 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, specification/standard_data: 80205-NAS1601 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-935-9237, 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
NAS1611-031
NSN: 5331-00-935-9237
NIINs: 009359237, 013887607
FSC: 5331 — O-ring
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM
temp_rating-70.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM
center_hole_diameter1.724 INCHES MINIMUM AND 1.754 INCHES MAXIMUM IN
cross-sectional_height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
specification/standard_data80205-NAS1601 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
material_document_and_classificationNAS1613 ASSN STD SINGLE MATERIAL RESPONSE
NSN5331-00-935-9237
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS1611-031 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: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.729 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.729 INCHES MINIMUM AND 1.749 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 3
2-031E515-8Reference document
Same NSN cross-reference
Reference document — Secondary reference
NAS1613Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
AM-11449-6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 NAS1611-031?
NAS1611-031 is a O-RING.
What parts can replace NAS1611-031?
There are 3 known substitutes for NAS1611-031: 2-031E515-8, NAS1613, AM-11449-6. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS1611-031?
NAS1611-031 is cataloged in the U.S. Government catalog under NSN 5331-00-935-9237. This indicates validated use in U.S. government and defense supply chains.
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