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Technical Data Sheet
905414-1 ✓ 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

The TRANSFORMER,PULSE is a the manufacturer industrial component. Key specifications include body_length: 0.440 INCHES MAXIMUM IN, hole_diameter: 0.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, inclosure_type: FULLY INCLOSED, hardness_rating: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL, mounting_method: TERMINAL SINGLE GROUP, outside_diameter: 4.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-682-4787, 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
905414-1
NSN: 5330-00-682-4787
FSC: 5330
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialRUBBER ETHYLENE-PROPYLENE CLASS EPM OR RUBBER BUTADIENE-STYRENE CLASS SBR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OVERALL
body_length0.440 INCHES MAXIMUM IN
hole_diameter0.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
inclosure_typeFULLY INCLOSED
hardness_rating65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
mounting_methodTERMINAL SINGLE GROUP
outside_diameter4.000 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter3.250 INCHES NOMINAL IN
bolt_hole_quantity6
bolt_circle_diameter3.625 INCHES NOMINAL IN
body_outside_diameter0.450 INCHES MAXIMUM IN
NSN5330-00-682-4787
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 905414-1 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
KEY FEATURES
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
BOLT CIRCLE DIAMETER: 3.625 INCHES NOMINAL IN
HOLE DIAMETER: 0.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000 GRADE 3BA715AB ASSN STD ALL MATERIAL RESPONSES OVERALL
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
OUTSIDE DIAMETER: 4.000 INCHES NOMINAL IN
STYLE DESIGNATOR: CIRCULAR
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
BOLT CIRCLE DIAMETER3.625 INCHES NOMINAL IN
HOLE DIAMETER0.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000 GRADE 3BA715AB ASSN STD ALL MATERIAL RESPONSES OVERALL
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
OUTSIDE DIAMETER4.000 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
MATERIALRUBBER ETHYLENE-PROPYLENE CLASS EPM OR RUBBER BUTADIENE-STYRENE CLASS SBR OR RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
905414-1Interchangeable
interchangeable cross-reference
interchangeable
935414-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 905414-1?
905414-1 is a TRANSFORMER,PULSE.
What parts can replace 905414-1?
There are 2 known substitutes for 905414-1: 905414-1, 935414-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 905414-1?
905414-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-682-4787. This indicates validated use in U.S. government and defense supply chains.
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