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Technical Data Sheet
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56939 — SEAL,SHAFT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

56939: SEAL,SHAFT.

The SEAL,SHAFT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-00-464-7269, 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
56939
NSN: 5330-00-464-7269
NIINs: 004647269, 014205457
FSC: 5330 — Packing and Gasket Materials
CAGE: FAQB2 — PARKER HANNIFIN FRANCE SAS (FRA)
SPECIFICATIONS
Part Number56939
NSN5330-00-464-7269
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 56939 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: RUBBER,SYNTHETIC; OD ANODIZED MIL-A-8625; 1.928 IN MIN AND 1.936 IN MAX FLANGE OD; 0.530 IN ID; 1.311 IN OD; 0.750 IN LG; FOUR HOLES 0.078 IN DIA ON 1.500 IN BOLT CIRCLE; FOUR HOLES COUNTERSUNK 82 DEG 0.312 IN DIA IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONRUBBER,SYNTHETIC; OD ANODIZED MIL-A-8625; 1.928 IN MIN AND 1.936 IN MAX FLANGE OD; 0.530 IN ID; 1.311 IN OD; 0.750 IN LG; FOUR HOLES 0.078 IN DIA ON 1.500 IN BOLT CIRCLE; FOUR HOLES COUNTERSUNK 82 DEG 0.312 IN DIA IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 56939?
56939 is a SEAL,SHAFT.
What is the NSN for 56939?
56939 is cataloged in the U.S. Government catalog under NSN 5330-00-464-7269. This indicates validated use in U.S. government and defense supply chains.
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