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Technical Data Sheet
PartsTable / COMPONENT / RE.CR21270
RE.CR21270 ✓ 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 RE.CR21270 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-350-9946, 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
RE.CR21270
NSN: 5330-00-350-9946
FSC: 5330
CAGE: 0363B — ANORTEC SL (ESP)
SPECIFICATIONS
Part NumberRE.CR21270
NSN5330-00-350-9946
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RE.CR21270 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
•
HOUSING BORE DIAMETER: 3.2505 INCHES MINIMUM AND 3.2535 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
SEAL WIDTH: 0.469 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN
•
MATERIAL: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
•
CASE STYLE: SQUARE
•
SEALING ELEMENT STYLE: ANGULAR
•
ACCOMMODATED SHAFT DIAMETER: 2.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HOUSING BORE DIAMETER3.2505 INCHES MINIMUM AND 3.2535 INCHES MAXIMUM IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
SEAL WIDTH0.469 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN
MATERIALLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
CASE STYLESQUARE
SEALING ELEMENT STYLEANGULAR
ACCOMMODATED SHAFT DIAMETER2.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
00044 TY1 CASE TY2BInterchangeable
interchangeable cross-reference
interchangeable
BS4-1575P19Interchangeable
interchangeable cross-reference
interchangeable
34-135-1Interchangeable
interchangeable cross-reference
interchangeable
5306Interchangeable
interchangeable cross-reference
interchangeable
PC2186197Interchangeable
interchangeable cross-reference
interchangeable
480009Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RE.CR21270?
RE.CR21270 is a RE.CR21270.
What parts can replace RE.CR21270?
There are 18 known substitutes for RE.CR21270: 00044 TY1 CASE TY2B, BS4-1575P19, 34-135-1 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RE.CR21270?
RE.CR21270 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-350-9946. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026