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1376-15-172 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1376-15-172: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, outside_diameter: 2.667 INCHES MINIMUM AND 2.719 INCHES MAXIMUM IN, center_hole_diameter: 2.477 INCHES MINIMUM AND 2.497 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-618-4603, 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
1376-15-172
NSN: 5331-00-618-4603
FSC: 5331 — O-ring
CAGE: A0199 — LEONARDO S.P.A. - ELECTRONICS DIVISION - DEFENCE BUSINESS AREA (ITA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
outside_diameter2.667 INCHES MINIMUM AND 2.719 INCHES MAXIMUM IN
center_hole_diameter2.477 INCHES MINIMUM AND 2.497 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-618-4603
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1376-15-172 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: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.667 INCHES MINIMUM AND 2.719 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.477 INCHES MINIMUM AND 2.497 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.667 INCHES MINIMUM AND 2.719 INCHES MAXIMUM IN
CENTER HOLE DIAMETER2.477 INCHES MINIMUM AND 2.497 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 8
MIL-P-25732Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
PRP568-37-4067-70Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS28775-144Reference document
Same NSN cross-reference
Reference document — Secondary reference
40444-4 FIND NO 20Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
SAE-AS28775Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
2-144 N304-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1376-15-172?
1376-15-172 is a O-RING.
What parts can replace 1376-15-172?
There are 8 known substitutes for 1376-15-172: MIL-P-25732, PRP568-37-4067-70, MS28775-144 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1376-15-172?
1376-15-172 is cataloged in the U.S. Government catalog under NSN 5331-00-618-4603. This indicates validated use in U.S. government and defense supply chains.
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