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2300-79076 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2300-79076: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: 275.0 FAHRENHEIT DEGF, outside_diameter: 2.792 INCHES MINIMUM AND 2.844 INCHES MAXIMUM IN, center_hole_diameter: 2.602 INCHES MINIMUM AND 2.622 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN, end_item_identification: A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; MULTIPLE LAUNCH ROCKET SYSTEM. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-835-7693, 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
2300-79076
NSN: 5331-00-835-7693
NIINs: 008357693, 013529617
FSC: 5331 — O-ring
CAGE: A0199 — LEONARDO S.P.A. - ELECTRONICS DIVISION - DEFENCE BUSINESS AREA (ITA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating275.0 FAHRENHEIT DEGF
outside_diameter2.792 INCHES MINIMUM AND 2.844 INCHES MAXIMUM IN
center_hole_diameter2.602 INCHES MINIMUM AND 2.622 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
end_item_identificationA4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; MULTIPLE LAUNCH ROCKET SYSTEM
material_document_and_classificationMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5331-00-835-7693
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2300-79076 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
•
TEMP RATING: 275.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.792 INCHES MINIMUM AND 2.844 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
•
CENTER HOLE DIAMETER: 2.602 INCHES MINIMUM AND 2.622 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
TEMP RATING275.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.792 INCHES MINIMUM AND 2.844 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
CENTER HOLE DIAMETER2.602 INCHES MINIMUM AND 2.622 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONA4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; MULTIPLE LAUNCH ROCKET SYSTEM
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 5
1550360-165Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS28775-146Reference document
Same NSN cross-reference
Reference document — Secondary reference
2-146 N304-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS28775-146ESReference document
Same NSN cross-reference
Reference document — Secondary reference
PRP568-146-4067-70Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2300-79076?
2300-79076 is a PACKING,PREFORMED.
What parts can replace 2300-79076?
There are 5 known substitutes for 2300-79076: 1550360-165, MS28775-146, 2-146 N304-75 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2300-79076?
2300-79076 is cataloged in the U.S. Government catalog under NSN 5331-00-835-7693. This indicates validated use in U.S. government and defense supply chains.
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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.