PartsTable TECHNICAL DATA SHEET

NSN 4320-01-350-9345Government record, cited

Gear, Pinion, Special4320-01-350-9345

NSN 4320-01-350-9345 · NIIN 013509345 · Part number 2703803

W S Darley & Co · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 15852

Government record, cited

NSN 4320-01-350-9345 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-350-9345. Manufacturer of record part number: 2703803.

Also searched as 4320-01-350-9345 · 4320013509345 · NIIN 013509345 · 01-350-9345 · FSC 4320 Power and Hand Pumps · CAGE 15852 · 2703803 · HT K463-3

Nearby stock numbers ← 4320-01-350-9343 · 4320-01-350-9346 →

Features

Gear,pinion,special — FSC 4320
1 manufacturer part number on file
Manufacturer of record: W S Darley & Co

Identification

NSN: 4320-01-350-9345
NIIN: 013509345
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 2703803
Manufacturer: W S Darley & Co

General Description

The Gear,pinion,special, cataloged under National Stock Number 4320-01-350-9345, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is W S Darley & Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4320-01-350-9345
Primary Part Number	2703803
Item Name	Gear,pinion,special
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	W S Darley & Co
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
2703803 PRIMARY	W S Darley & Co (USA)

Reference documents

Reference	Meaning
HT K463-3	5/9 Secondary reference W S Darley & Co

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 4320-01-350-9345?

NSN 4320-01-350-9345 is a Gear,pinion,special, manufactured by W S Darley & Co, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-350-9345?

NSN 4320-01-350-9345 has 1 manufacturer part number on file: 2703803 (W S Darley & Co).

What are the specifications of 2703803?

Key specifications for 2703803: End Item Identification: K515 KS PUMP. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-350-9345 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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