Calibration Locket6665-01-321-3889

NSN 6665-01-321-3889 · NIIN 013213889

FSC 6665 — Hazard-detecting Instruments and Apparatus · FSG 66 — Instruments and Laboratory Equipment

Government record, cited

Also searched as 6665-01-321-3889 · 6665013213889 · NIIN 013213889 · 01-321-3889 · FSC 6665 Hazard-detecting Instruments and Apparatus

Nearby stock numbers ← 6665-01-321-3888 Calibration Locket · 6665-01-321-3890 Calibration Locket →

Features

Calibration Locket — FSC 6665
FSC Application Data: HAZARD-DETECTING INSTRUMENTS AND APPARATUS
General Characteristics Item Description: NOMINAL VALUE GAMMA 50 NEUTRON 400

Identification

NSN: 6665-01-321-3889
NIIN: 013213889
FSC: 6665 — Hazard-detecting Instruments and Apparatus
FSG: 66 — Instruments and Laboratory Equipment

General Description

The Calibration Locket, cataloged under National Stock Number 6665-01-321-3889, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	6665-01-321-3889
Item Name	Calibration Locket
FSC / FSG	6665 / 66 — Hazard-detecting Instruments and Apparatus
Status	ACTIVE
FSC Application Data	HAZARD-DETECTING INSTRUMENTS AND APPARATUS
General Characteristics Item Description	NOMINAL VALUE GAMMA 50 NEUTRON 400

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

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

Reference documents

Reference	Meaning
A3105666-4	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 6665 — Hazard-detecting Instruments and Apparatus

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

6665-00-001-2316

6665-00-001-2316 · Item name not on file

6665-00-001-5355

RADIACMETER

6665-00-006-0951

6665-00-006-0951 · Item name not on file

6665-00-007-6584

6665-00-007-6584 · Item name not on file

6665-00-008-8883

6665-00-008-8883 · Item name not on file

6665-00-009-9478

COUNTER,RATEMETER

6665-00-009-9492

RADIACMETER

6665-00-010-0061

6665-00-010-0061 · Item name not on file

Frequently Asked Questions

What is NSN 6665-01-321-3889?

NSN 6665-01-321-3889 is a Calibration Locket, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.

What are the specifications of 6665-01-321-3889?

Key specifications for 6665-01-321-3889: FSC Application Data: HAZARD-DETECTING INSTRUMENTS AND APPARATUS; General Characteristics Item Description: NOMINAL VALUE GAMMA 50 NEUTRON 400; End Item Identification: MAINTENANCE KIT MK-2512/PDR-75. 2 specifications are documented in the U.S. Government catalog.

Is NSN 6665-01-321-3889 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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