PartsTable TECHNICAL DATA SHEET

NSN 6640-01-352-3220Government record, cited

Paper, Spot Test6640-01-352-3220

NSN 6640-01-352-3220 · NIIN 013523220

FSC 6640 — Laboratory Equipment and Supplies · FSG 66 — Instruments and Laboratory Equipment

Government record, cited

Also searched as 6640-01-352-3220 · 6640013523220 · NIIN 013523220 · 01-352-3220 · FSC 6640 Laboratory Equipment and Supplies

Nearby stock numbers ← 6640-01-352-2409 Jar, Screw Cap · 6640-01-352-3535 Funnel, Common, Laboratory →

Features

Paper,spot Test — FSC 6640

Identification

NSN: 6640-01-352-3220
NIIN: 013523220
FSC: 6640 — Laboratory Equipment and Supplies
FSG: 66 — Instruments and Laboratory Equipment

General Description

The Paper,spot Test, cataloged under National Stock Number 6640-01-352-3220, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Paper,spot Test
FSC / FSG	6640 — Laboratory Equipment and Supplies (FSG 66)

Technical Specifications

Parameter	Value
NSN	6640-01-352-3220
Item Name	Paper,spot Test
FSC / FSG	6640 / 66 — Laboratory Equipment and Supplies
Status	ACTIVE

Lifecycle & Compliance

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

⇄ Related Items 4

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4330-01-373-9356RM01 POSSIBLE MATCH

PNEUMATIC MUFFLER,EXHAUST-INTAKE

Possible match (shared part number)Sound Seal, Inc. Dba Sound Seal, Inc

4820-01-448-050352660-7 POSSIBLE MATCH

VALVE,REGULATING,FLUID PRESSURE

Possible match (shared part number)Eaton Aerospace Llc Dba Eaton Aerospace Jackson

1420-01-566-936552660 POSSIBLE MATCH

PAYLOAD SECTION ASSEMBLY,GUIDED

Possible match (shared part number)Aerovironment, Inc. Dba Aerovironment Inc

5970-01-622-5407VARGLAS-231-NO.3-RA1-BLACK-SPOOL POSSIBLE MATCH

INSULATION SLEEVING,ELECTRICAL

Possible match (shared part number)Varflex Corporation Dba Varflex Corp

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
52660	3/9 Design control — primary reference Squibb E R and Sons Inc World Hq

Related Parts

4330-01-373-9356POSSIBLE MATCH

PNEUMATIC MUFFLER,EXHAUST-INTAKE

RM01

4820-01-448-0503POSSIBLE MATCH

VALVE,REGULATING,FLUID PRESSURE

52660-7

1420-01-566-9365POSSIBLE MATCH

PAYLOAD SECTION ASSEMBLY,GUIDED

52660

5970-01-622-5407POSSIBLE MATCH

INSULATION SLEEVING,ELECTRICAL

VARGLAS-231-NO.3-RA1-BLACK-SPOOL

Frequently Asked Questions

What is NSN 6640-01-352-3220?

NSN 6640-01-352-3220 is a Paper,spot Test, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.

What NSN replaces 6640-01-352-3220?

4 possible matches (shared part number, not a government interchangeability claim): 4330-01-373-9356, 4820-01-448-0503, 1420-01-566-9365. Verify interchangeability with system specifications before substitution.

Is NSN 6640-01-352-3220 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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