PartsTable TECHNICAL DATA SHEET

NSN 6620-01-033-7566Government record, cited

Gage, Pressure, Dial Indicating6620-01-033-7566

NSN 6620-01-033-7566 · NIIN 010337566 · Part number 54039AX

Oshkosh Defense Llc · FSC 6620 — Engine Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 75Q65

Government record, cited

NSN 6620-01-033-7566 — this item is cataloged by the U.S. Government under National Stock Number 6620-01-033-7566. Manufacturer of record part number: 54039AX.

Also searched as 6620-01-033-7566 · 6620010337566 · NIIN 010337566 · 01-033-7566 · FSC 6620 Engine Instruments · CAGE 75Q65 · 54039AX · 460AZ

Nearby stock numbers ← 6620-01-033-7565 · 6620-01-034-0500 →

Features

Gage,pressure,dial Indicating — FSC 6620
1 manufacturer part number on file
Manufacturer of record: Oshkosh Defense Llc

Identification

NSN: 6620-01-033-7566
NIIN: 010337566
FSC: 6620 — Engine Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 54039AX
Manufacturer: Oshkosh Defense Llc

General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6620-01-033-7566, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Oshkosh Defense Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Gage,pressure,dial Indicating
FSC / FSG	6620 — Engine Instruments (FSG 66)
Manufacturers	Oshkosh Defense Llc (CAGE 75Q65)

Technical Specifications

Parameter	Value
NSN	6620-01-033-7566
Primary Part Number	54039AX
Item Name	Gage,pressure,dial Indicating
FSC / FSG	6620 / 66 — Engine Instruments
Manufacturer	Oshkosh Defense Llc
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
54039AX PRIMARY	Oshkosh Defense Llc (USA)

Reference documents

Reference	Meaning
54039AX	5/9 Secondary reference Oshkosh Corp
460AZ	5/9 Secondary reference Stewart-Warner Corporation

No interchangeability data on file.

Other items in FSC 6620 — Engine Instruments

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

6620-00-000-0124

6620-00-000-0124 · Item name not on file

6620-00-000-0548

6620-00-000-0548 · Item name not on file

6620-00-001-1398

STARTER AND SHAFT ASSEMBLY

6620-00-001-4552

6620-00-001-4552 · Item name not on file

6620-00-001-9331

6620-00-001-9331 · Item name not on file

6620-00-001-9332

6620-00-001-9332 · Item name not on file

6620-00-001-9333

6620-00-001-9333 · Item name not on file

6620-00-001-9334

6620-00-001-9334 · Item name not on file

Frequently Asked Questions

What is NSN 6620-01-033-7566?

NSN 6620-01-033-7566 is a Gage,pressure,dial Indicating, manufactured by Oshkosh Defense Llc, classified under FSC 6620, Engine Instruments. Status: active.

What part numbers are listed for NSN 6620-01-033-7566?

NSN 6620-01-033-7566 has 1 manufacturer part number on file: 54039AX (Oshkosh Defense Llc).

Is NSN 6620-01-033-7566 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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