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Technical Data Sheet

2-157 N304-75 — Technical Data Sheet

✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, temp_rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF, center_hole_diameter: 4.487 INCHES NOMINAL IN, cross-sectional_shape_style: O-RING, material_document_and_classification: MIL-P-5516 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the Federal Logistics Information System under NSN 5331-01-084-7947, 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
2-157 N304-75
NSN: 5331-01-084-7947
FSC: 5331 — O-RING
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
temp_rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
center_hole_diameter4.487 INCHES NOMINAL IN
cross-sectional_shape_styleO-RING
material_document_and_classificationMIL-P-5516 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5331-01-084-7947
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-157 N304-75 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
•
CENTER HOLE DIAMETER: 5.461 INCHES MINIMUM AND 5.507 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
OUTSIDE DIAMETER: 5.719 INCHES MINIMUM AND 5.805 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
CENTER HOLE DIAMETER5.461 INCHES MINIMUM AND 5.507 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
OUTSIDE DIAMETER5.719 INCHES MINIMUM AND 5.805 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
1866-32InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
S8-32InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PRP157-7377InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
157-7117InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
230079144InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS28775-254InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2-157 N304-75?
2-157 N304-75 is a PACKING,PREFORMED.
What parts can replace 2-157 N304-75?
There are 21 known substitutes for 2-157 N304-75: 1866-32, S8-32, PRP157-7377 and 18 more. Substitute compatibility should be verified for your specific system.
Is 2-157 N304-75 still available?
2-157 N304-75 is currently cancelled.
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