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321939 — CRANKSHAFT,ENGINE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

321939: CRANKSHAFT,ENGINE.

The CRANKSHAFT,ENGINE is a the manufacturer industrial component. Key specifications include end_item_identification: 3805-01-537-7952, DITCHING MACHINE RT40, part_name_assigned_by_controlling_agency: GUARD, FITTING. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-352-4803, 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
321939
NSN: 5330-01-352-4803
NIINs: 013524803, 013607981, 015486919
FSC: 5330 — Packing and Gasket Materials
CAGE: 27192 — DRS NAVAL POWER SYSTEMS INC DBA DRS POWER & CONTROL TECHNOLOGIES INC (USA)
SPECIFICATIONS
end_item_identification3805-01-537-7952, DITCHING MACHINE RT40
part_name_assigned_by_controlling_agencyGUARD, FITTING
NSN5330-01-352-4803
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 321939 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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CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 321939?
321939 is a CRANKSHAFT,ENGINE.
What is the NSN for 321939?
321939 is cataloged in the U.S. Government catalog under NSN 5330-01-352-4803. This indicates validated use in U.S. government and defense supply chains.
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