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3-1854-7-1 — 3-1854-7-1

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3-1854-7-1: 3-1854-7-1.

The 3-1854-7-1 is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, first_end_style: CHAMFERED, surface_treatment: CADMIUM AND CHROMATE OVERALL, pin_overall_length: 2.625 INCHES NOMINAL IN, first_hole_diameter: 0.078 INCHES NOMINAL IN, pin_overall_diameter: 0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-871-4575, 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
3-1854-7-1
NSN: 5330-00-871-4575
NIINs: 008714575, 008828866
FSC: 5330 — Packing and Gasket Materials
CAGE: 09990 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
first_end_styleCHAMFERED
surface_treatmentCADMIUM AND CHROMATE OVERALL
pin_overall_length2.625 INCHES NOMINAL IN
first_hole_diameter0.078 INCHES NOMINAL IN
pin_overall_diameter0.2480 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
second_hole_diameter0.078 INCHES NOMINAL IN
first_end_taper_angle45.0 DEGREES NOMINAL
first_end_taper_length0.016 INCHES NOMINAL IN
hole_arrangement_styleBOTH END DRILLED
material_document_and_classificationMIL-S-20166 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5330-00-871-4575
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3-1854-7-1 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 1
3-1854-7Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 3-1854-7-1?
3-1854-7-1 is a 3-1854-7-1.
What parts can replace 3-1854-7-1?
There is 1 known substitute for 3-1854-7-1: 3-1854-7. Substitute compatibility should be verified for your specific system.
What is the NSN for 3-1854-7-1?
3-1854-7-1 is cataloged in the U.S. Government catalog under NSN 5330-00-871-4575. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.