Test Kit, Hydrolight6640-01-690-8905

NSN 6640-01-690-8905 · NIIN 016908905 · Part number JF-WA1-P

D-2 Incorporated · FSC 6640 — Laboratory Equipment and Supplies · FSG 66 — Instruments and Laboratory Equipment · CAGE 4EKX8

Government record, cited

NSN 6640-01-690-8905 — this item is cataloged by the U.S. Government under National Stock Number 6640-01-690-8905. Manufacturer of record part number: JF-WA1-P.

Also searched as 6640-01-690-8905 · 6640016908905 · NIIN 016908905 · 01-690-8905 · FSC 6640 Laboratory Equipment and Supplies · CAGE 4EKX8 · JF-WA1-P

Nearby stock numbers ← 6640-01-690-7834 Spatula, Laboratory · 6640-01-690-9672 Stirrer-Hot Plate, Magnetic, Labor →

Features

Test Kit,hydrolight — FSC 6640
1 manufacturer part number on file
Manufacturer of record: D-2 Incorporated

Identification

NSN: 6640-01-690-8905
NIIN: 016908905
FSC: 6640 — Laboratory Equipment and Supplies
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: JF-WA1-P
Manufacturer: D-2 Incorporated

General Description

The Test Kit,hydrolight, cataloged under National Stock Number 6640-01-690-8905, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is D-2 Incorporated. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	6640-01-690-8905
Primary Part Number	JF-WA1-P
Item Name	Test Kit,hydrolight
FSC / FSG	6640 / 66 — Laboratory Equipment and Supplies
Manufacturer	D-2 Incorporated
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
JF-WA1-P PRIMARY	D-2 Incorporated (USA)

No interchangeability data on file.

Other items in FSC 6640 — Laboratory Equipment and Supplies

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

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6640-00-001-6871

6640-00-001-6871 · Item name not on file

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6640-00-001-8928 · Item name not on file

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6640-00-001-9167 · Item name not on file

6640-00-001-9168

6640-00-001-9168 · Item name not on file

6640-00-003-4362

6640-00-003-4362 · Item name not on file

Frequently Asked Questions

What is NSN 6640-01-690-8905?

NSN 6640-01-690-8905 is a Test Kit,hydrolight, manufactured by D-2 Incorporated, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.

What part numbers are listed for NSN 6640-01-690-8905?

NSN 6640-01-690-8905 has 1 manufacturer part number on file: JF-WA1-P (D-2 Incorporated).

What are the specifications of JF-WA1-P?

Key specifications for JF-WA1-P: Overall Height: 4.2 INCHES NOMINAL IN; Overall Width: 4.4 INCHES NOMINAL IN; Special Features: PARAMETER RANGE 0-50PPM, ACCURACY +/-0.5PPM, SENSOR TYPE OPTICAL LED DRIVEN, POWER 9VDC MINIMUM +/-.3VDC, CERTIFICATION ASTM WATER D3240, VDC; Part Name Assigned by Controlling Agency: HYDRO-LIGHT SENSOR. 0 specifications are documented in the U.S. Government catalog.

Is NSN 6640-01-690-8905 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). 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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