PartsTable TECHNICAL DATA SHEET

NSN 6620-01-656-7448Government record, cited

Indicator, Pressure6620-01-656-7448

NSN 6620-01-656-7448 · NIIN 016567448 · Part number P171958

Donaldson Company, Inc. · FSC 6620 — Engine Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 18265

Government record, cited

NSN 6620-01-656-7448 — this item is cataloged by the U.S. Government under National Stock Number 6620-01-656-7448. Manufacturer of record part number: P171958.

Also searched as 6620-01-656-7448 · 6620016567448 · NIIN 016567448 · 01-656-7448 · FSC 6620 Engine Instruments · CAGE 18265 · P171958 · HI-1458-3000 ITEM NO 28

Nearby stock numbers ← 6620-01-656-7221 Indicator, Pressure · 6620-01-657-6296 Indicator, Pressure →

Features

Indicator,pressure — FSC 6620
1 manufacturer part number on file
Manufacturer of record: Donaldson Company, Inc.

Identification

NSN: 6620-01-656-7448
NIIN: 016567448
FSC: 6620 — Engine Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: P171958
Manufacturer: Donaldson Company, Inc.

General Description

The Indicator,pressure, cataloged under National Stock Number 6620-01-656-7448, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Donaldson Company, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Indicator,pressure
FSC / FSG	6620 — Engine Instruments (FSG 66)
Manufacturers	Donaldson Company, Inc. (CAGE 18265)

Technical Specifications

Parameter	Value
NSN	6620-01-656-7448
Primary Part Number	P171958
Item Name	Indicator,pressure
FSC / FSG	6620 / 66 — Engine Instruments
Manufacturer	Donaldson Company, Inc.
Status	ACTIVE

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
P171958 PRIMARY	Donaldson Company, Inc. (USA)

Reference documents

Reference	Meaning
HI-1458-3000 ITEM NO 28	D/9 Drawing number reference only Hhe Services, Inc.

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 6620-01-656-7448?

NSN 6620-01-656-7448 is a Indicator,pressure, manufactured by Donaldson Company, Inc., classified under FSC 6620, Engine Instruments. Status: active.

What part numbers are listed for NSN 6620-01-656-7448?

NSN 6620-01-656-7448 has 1 manufacturer part number on file: P171958 (Donaldson Company, Inc.).

Is NSN 6620-01-656-7448 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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