PartsTable TECHNICAL DATA SHEET

NSN 4320-01-207-1983Government record, cited

Difusser4320-01-207-1983

NSN 4320-01-207-1983 · NIIN 012071983 · Part number D7473-8-2B

Graham Corp · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 1LCX3

Government record, cited

NSN 4320-01-207-1983 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-207-1983. Manufacturer of record part number: D7473-8-2B.

Also searched as 4320-01-207-1983 · 4320012071983 · NIIN 012071983 · 01-207-1983 · FSC 4320 Power and Hand Pumps · CAGE 1LCX3 · D7473-8-2B

Nearby stock numbers ← 4320-01-207-1831 Cover, Hydraulic, Pump-Motor · 4320-01-207-2459 →

Features

Difusser — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Graham Corp

Identification

NSN: 4320-01-207-1983
NIIN: 012071983
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: D7473-8-2B
Manufacturer: Graham Corp

General Description

The Difusser, cataloged under National Stock Number 4320-01-207-1983, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Graham Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Difusser
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	Graham Corp (CAGE 1LCX3)

Technical Specifications

Parameter	Value
NSN	4320-01-207-1983
Primary Part Number	D7473-8-2B
Item Name	Difusser
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Graham Corp
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
D7473-8-2B PRIMARY	Graham Corp (USA)

Reference documents

Reference	Meaning
D7473-8-2B	5/9 Secondary reference Graham Mfg Co Inc for Procurement Use CAGE Code 1lcx3

No interchangeability data on file.

Other items in FSC 4320 — Power and Hand Pumps

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

4320-00-001-1633

4320-00-001-1633 · Item name not on file

4320-00-001-2628

RETAINER AND PIN

4320-00-001-2629

HOUSING AND PIN

4320-00-001-2630

PUMP,CENTRIFUGAL

4320-00-001-2631

4320-00-001-2631 · Item name not on file

4320-00-001-2632

4320-00-001-2632 · Item name not on file

4320-00-001-3377

4320-00-001-3377 · Item name not on file

4320-00-001-3384

4320-00-001-3384 · Item name not on file

Frequently Asked Questions

What is NSN 4320-01-207-1983?

NSN 4320-01-207-1983 is a Difusser, manufactured by Graham Corp, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-207-1983?

NSN 4320-01-207-1983 has 1 manufacturer part number on file: D7473-8-2B (Graham Corp).

Is NSN 4320-01-207-1983 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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