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54959CRS-1 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

54959CRS-1: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT, case_style: RECESSED, seal_width: 0.500 INCHES NOMINAL IN, outside_diameter: 6.756 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 6.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-953-3329, 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
54959CRS-1
NSN: 5330-00-953-3329
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
case_styleRECESSED
seal_width0.500 INCHES NOMINAL IN
outside_diameter6.756 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter6.750 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter5.500 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3600 FEET PER MINUTE FT
NSN5330-00-953-3329
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 54959CRS-1 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
•
SEAL WIDTH: 0.500 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
OUTSIDE DIAMETER: 6.756 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 6.750 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3600 FEET PER MINUTE FT
•
CASE STYLE: RECESSED
•
ACCOMMODATED SHAFT DIAMETER: 5.500 INCHES NOMINAL IN
•
SURFACE TREATMENT: PLASTIC CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.500 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
OUTSIDE DIAMETER6.756 INCHES NOMINAL IN
HOUSING BORE DIAMETER6.750 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3600 FEET PER MINUTE FT
CASE STYLERECESSED
ACCOMMODATED SHAFT DIAMETER5.500 INCHES NOMINAL IN
SURFACE TREATMENTPLASTIC CASE
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 3
00044Reference document
Same NSN cross-reference
Reference document — Secondary reference
319W256-47Reference document
Same NSN cross-reference
Reference document — Secondary reference
PY53660PC42Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 54959CRS-1?
54959CRS-1 is a SEAL,PLAIN ENCASED.
What parts can replace 54959CRS-1?
There are 3 known substitutes for 54959CRS-1: 00044, 319W256-47, PY53660PC42. Substitute compatibility should be verified for your specific system.
What is the NSN for 54959CRS-1?
54959CRS-1 is cataloged in the U.S. Government catalog under NSN 5330-00-953-3329. This indicates validated use in U.S. government and defense supply chains.
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