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Technical Data Sheet
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1857073 — PLATE,RETAINING,BEARING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1857073: PLATE,RETAINING,BEARING.

The PLATE,RETAINING,BEARING is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: RETAINING PLATE. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-230-9833, 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
1857073
NSN: 5330-01-230-9833
NIINs: 012309833, 015802879
FSC: 5330 — Packing and Gasket Materials
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyRETAINING PLATE
NSN5330-01-230-9833
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1857073 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
SUBSTITUTES & CROSS-REFERENCES 2
1057073Reference document
Same NSN cross-reference
Reference document — Secondary reference
PL1976598 FIND 5Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1857073?
1857073 is a PLATE,RETAINING,BEARING.
What parts can replace 1857073?
There are 2 known substitutes for 1857073: 1057073, PL1976598 FIND 5. Substitute compatibility should be verified for your specific system.
What is the NSN for 1857073?
1857073 is cataloged in the U.S. Government catalog under NSN 5330-01-230-9833. This indicates validated use in U.S. government and defense supply chains.
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