Spacer Set4920-01-157-8647

NSN 4920-01-157-8647 · NIIN 011578647 · Part number 74D111168-1021

Harlow Aerostructures, Llc · FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment · CAGE 14248

Government record, cited

NSN 4920-01-157-8647 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-157-8647. Manufacturer of record part number: 74D111168-1021.

Also searched as 4920-01-157-8647 · 4920011578647 · NIIN 011578647 · 01-157-8647 · FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · CAGE 14248 · 74D111168-1021

Nearby stock numbers ← 4920-01-157-8646 · 4920-01-157-8648 →

Features

Spacer Set — FSC 4920
General Characteristics Item Description: SET CONTAINS TWO STEEL RINGS; 3.187 IN. OD; 3.000 IN. ID; 0.099 IN. THK; BEARING SURFACES ARE NOT PARALLEL IN
2 manufacturer part numbers on file
Manufacturer of record: Harlow Aerostructures, Llc

Identification

NSN: 4920-01-157-8647
NIIN: 011578647
FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
FSG: 49 — Maintenance and Repair Shop Equipment
Primary part number: 74D111168-1021
Manufacturer: Harlow Aerostructures, Llc

General Description

The Spacer Set, cataloged under National Stock Number 4920-01-157-8647, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Harlow Aerostructures, Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4920-01-157-8647
Primary Part Number	74D111168-1021
Item Name	Spacer Set
FSC / FSG	4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment
Manufacturer	Harlow Aerostructures, Llc
Status	ACTIVE
General Characteristics Item Description	SET CONTAINS TWO STEEL RINGS; 3.187 IN. OD; 3.000 IN. ID; 0.099 IN. THK; BEARING SURFACES ARE NOT PARALLEL IN

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
74D111168-1021 PRIMARY	Harlow Aerostructures, Llc (USA)
74D111168-1021 PRIMARY	The Boeing Company Div Defense (USA)

No interchangeability data on file.

Other items in FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4920-00-000-0190

TEST SET,FLIGHT CONTROL SYSTEM

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4920-00-001-1405 · Item name not on file

4920-00-001-1716

4920-00-001-1716 · Item name not on file

4920-00-001-1744

4920-00-001-1744 · Item name not on file

4920-00-001-1745

4920-00-001-1745 · Item name not on file

4920-00-001-1746

4920-00-001-1746 · Item name not on file

4920-00-001-1747

4920-00-001-1747 · Item name not on file

4920-00-001-1748

4920-00-001-1748 · Item name not on file

Frequently Asked Questions

What is NSN 4920-01-157-8647?

NSN 4920-01-157-8647 is a Spacer Set, manufactured by Harlow Aerostructures, Llc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.

What part numbers are listed for NSN 4920-01-157-8647?

NSN 4920-01-157-8647 has 2 manufacturer part numbers on file: 74D111168-1021 (Harlow Aerostructures, Llc), 74D111168-1021 (The Boeing Company Div Defense).

What are the specifications of 74D111168-1021?

Key specifications for 74D111168-1021: General Characteristics Item Description: SET CONTAINS TWO STEEL RINGS; 3.187 IN. OD; 3.000 IN. ID; 0.099 IN. THK; BEARING SURFACES ARE NOT PARALLEL IN; End Item Identification: GROUND SUPPORT EQUIPMENT,F-18 AIRCRAFT. 1 specification is documented in the U.S. Government catalog.

Is NSN 4920-01-157-8647 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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