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Technical Data Sheet
23949 ✓ 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

ROD,PISTON,LINEAR ACTUATING CYLI. Key specifications include criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-077-9759, 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
23949
NSN: 5331-01-077-9759
FSC: 5331 — O-RING
CAGE: 96046 — CRANE PUMPS & SYSTEMS PFT CORP DIV CRANE PUMPS & SYSTEM PFT CORP. (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATION
NSN5331-01-077-9759
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 23949 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
OUTSIDE DIAMETER: 1.797 INCHES MINIMUM AND 1.839 INCHES MAXIMUM IN
ELONGATION PERCENTAGE: 331 MAXIMUM
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER: 1.597 INCHES MINIMUM AND 1.627 INCHES MAXIMUM IN
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TEMP RATING: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.797 INCHES MINIMUM AND 1.839 INCHES MAXIMUM IN
ELONGATION PERCENTAGE331 MAXIMUM
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER1.597 INCHES MINIMUM AND 1.627 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TEMP RATING-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
N23949Interchangeable
interchangeable cross-reference
interchangeable
23949Interchangeable
interchangeable cross-reference
interchangeable
DWG/21509N PC 11Interchangeable
interchangeable cross-reference
interchangeable
398130-72Interchangeable
interchangeable cross-reference
interchangeable
B398130-72Interchangeable
interchangeable cross-reference
interchangeable
21509NPC11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 23949?
23949 is a ROD,PISTON,LINEAR ACTUATING CYLI.
What parts can replace 23949?
There are 17 known substitutes for 23949: N23949, 23949, DWG/21509N PC 11 and 14 more. Substitute compatibility should be verified for your specific system.
Is 23949 still available?
23949 is currently cancelled.
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