81570-1 — GEAR SET,SPUR,MATCHED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

81570-1: GEAR SET,SPUR,MATCHED.

The GEAR SET,SPUR,MATCHED is a the manufacturer industrial component. Key specifications include inclosure_type: FULLY INCLOSED, overall_length: 0.950 INCHES NOMINAL IN, mounting_method: THREADED HOLE(S) SINGLE GROUP, frequency_rating: 45.0 KILOHERTZ NOMINAL SINGLE COMPONENT, overall_diameter: 0.950 INCHES NOMINAL IN, nominal_thread_size: 0.112 INCHES SINGLE GROUP IN. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-210-4685, 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

81570-1

NSN: 3020-00-210-4685
NIINs: 002104685, 012205570
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)

SPECIFICATIONS

inclosure_type	FULLY INCLOSED
overall_length	0.950 INCHES NOMINAL IN
mounting_method	THREADED HOLE(S) SINGLE GROUP
frequency_rating	45.0 KILOHERTZ NOMINAL SINGLE COMPONENT
overall_diameter	0.950 INCHES NOMINAL IN
nominal_thread_size	0.112 INCHES SINGLE GROUP IN
reliability_indicator	NOT ESTABLISHED
thread_quantity_per_inch	40 SINGLE GROUP
thread_series_designator	UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_operating_current	40.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
winding_operating_voltage	9.30 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
mounting_facility_quantity	1 SINGLE GROUP
NSN	3020-00-210-4685

COMPONENT DIAGRAM

KEY FEATURES

•

ACCESSORY CONTROLLING AGENCY: NAVY ORDNANCE

•

ACCESSORY COMPONENT QUANTITY: 3

TECHNICAL CHARACTERISTICS

ACCESSORY CONTROLLING AGENCY	NAVY ORDNANCE
ACCESSORY COMPONENT QUANTITY	3

SUBSTITUTES & CROSS-REFERENCES 2

591473-1Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

591473PC1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 81570-1?

81570-1 is a GEAR SET,SPUR,MATCHED.

What parts can replace 81570-1?

There are 2 known substitutes for 81570-1: 591473-1, 591473PC1. Substitute compatibility should be verified for your specific system.

What is the NSN for 81570-1?

81570-1 is cataloged in the U.S. Government catalog under NSN 3020-00-210-4685. This indicates validated use in U.S. government and defense supply chains.

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81570-1 — GEAR SET,SPUR,MATCHED

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