Spacer, Ring5365-01-047-8334

NSN 5365-01-047-8334 · NIIN 010478334 · Part number 66491

L3harris Technologies, Inc Div Space & Airborne Systems · FSC 5365 — Bushings, Rings, Shims, and Spacers · FSG 53 — Hardware and Abrasives · CAGE 24930

Government record, cited

NSN 5365-01-047-8334 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-047-8334. Manufacturer of record part number: 66491.

Also searched as 5365-01-047-8334 · 5365010478334 · NIIN 010478334 · 01-047-8334 · FSC 5365 Bushings, Rings, Shims, and Spacers · CAGE 24930 · 66491

Nearby stock numbers ← 5365-01-047-8333 Shim · 5365-01-047-8335 →

Features

Spacer,ring — FSC 5365
Surface Finish: 100.0 MICROINCHES OVERALL
Outside Diameter: 3.500 INCHES NOMINAL IN
Overall Thickness: 0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
Inside Diameter: 2.953 INCHES MINIMUM AND 2.958 INCHES MAXIMUM IN
Surface Treatment: CADMIUM AND CHROMATE
Material: STEEL COMP 4130

Identification

NSN: 5365-01-047-8334
NIIN: 010478334
FSC: 5365 — Bushings, Rings, Shims, and Spacers
FSG: 53 — Hardware and Abrasives
Primary part number: 66491
Manufacturer: L3harris Technologies, Inc Div Space & Airborne Systems

General Description

The Spacer,ring, cataloged under National Stock Number 5365-01-047-8334, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5365-01-047-8334
Primary Part Number	66491
Item Name	Spacer,ring
FSC / FSG	5365 / 53 — Bushings, Rings, Shims, and Spacers
Manufacturer	L3harris Technologies, Inc Div Space & Airborne Systems
Status	ACTIVE
Surface Finish	100.0 MICROINCHES OVERALL
Outside Diameter	3.500 INCHES NOMINAL IN
Overall Thickness	0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
Hardness Rating	30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
Inside Diameter	2.953 INCHES MINIMUM AND 2.958 INCHES MAXIMUM IN
Surface Treatment	CADMIUM AND CHROMATE
Material	STEEL COMP 4130

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
66491 PRIMARY	L3harris Technologies, Inc Div Space & Airborne Systems (USA)

Frequently Asked Questions

What is NSN 5365-01-047-8334?

NSN 5365-01-047-8334 is a Spacer,ring, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.

What part numbers are listed for NSN 5365-01-047-8334?

NSN 5365-01-047-8334 has 1 manufacturer part number on file: 66491 (L3harris Technologies, Inc Div Space & Airborne Systems).

What are the specifications of 66491?

Key specifications for 66491: Surface Finish: 100.0 MICROINCHES OVERALL; Outside Diameter: 3.500 INCHES NOMINAL IN; Overall Thickness: 0.095 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN; Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5365-01-047-8334 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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