PartsTable TECHNICAL DATA SHEET

NSN 6620-01-488-6479Government record, cited

Indicator, Pressure6620-01-488-6479

NSN 6620-01-488-6479 · NIIN 014886479 · Part number H591-001-REV-A

Kampi Components Co Inc · FSC 6620 — Engine Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 7Z016

Government record, cited

NSN 6620-01-488-6479 — this item is cataloged by the U.S. Government under National Stock Number 6620-01-488-6479. Manufacturer of record part number: H591-001-REV-A.

Also searched as 6620-01-488-6479 · 6620014886479 · NIIN 014886479 · 01-488-6479 · FSC 6620 Engine Instruments · CAGE 7Z016 · H591-001-REV-A · H591-001

Nearby stock numbers ← 6620-01-488-4681 Nacelle Interface U · 6620-01-488-6772 Transmitter, Rate of Flow →

Features

Indicator,pressure — FSC 6620
Criticality Code Justification: AGAV
1 manufacturer part number on file
Manufacturer of record: Kampi Components Co Inc

Identification

NSN: 6620-01-488-6479
NIIN: 014886479
FSC: 6620 — Engine Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: H591-001-REV-A
Manufacturer: Kampi Components Co Inc

General Description

The Indicator,pressure, cataloged under National Stock Number 6620-01-488-6479, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Kampi Components Co Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	6620-01-488-6479
Primary Part Number	H591-001-REV-A
Item Name	Indicator,pressure
FSC / FSG	6620 / 66 — Engine Instruments
Manufacturer	Kampi Components Co Inc
Status	ACTIVE
Criticality Code Justification	AGAV

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
H591-001-REV-A	Kampi Components Co Inc (USA)

Reference documents

Reference	Meaning
H591-001	3/9 Design control — primary reference Mayhew Industries, 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 6620-01-488-6479?

NSN 6620-01-488-6479 is a Indicator,pressure, manufactured by Kampi Components Co Inc, classified under FSC 6620, Engine Instruments. Status: active.

What part numbers are listed for NSN 6620-01-488-6479?

NSN 6620-01-488-6479 has 1 manufacturer part number on file: H591-001-REV-A (Kampi Components Co Inc).

What are the specifications of H591-001-REV-A?

Key specifications for H591-001-REV-A: Criticality Code Justification: AGAV; Special Features: PRESSURE: 10PSIG - 100 PSIG; BRASS; PORTS: 1/4IN. NPT(NOMINAL) IN; Part Name Assigned by Controlling Agency: INAVY - SYSTEM PRESSURE IND; End Item Identification: FIGHTER SUPPORT AIRCRAFT F/A-18 (NON-HSP). 1 specification is documented in the U.S. Government catalog.

Is NSN 6620-01-488-6479 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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