NSN 6620-01-644-3496 · NIIN 016443496 · Part number AN 3967251
Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc · FSC 6620 — Engine Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 7JYX1
Government record, cited
NSN 6620-01-644-3496 — this item is cataloged by the U.S. Government under National Stock Number 6620-01-644-3496. Manufacturer of record part number: AN 3967251.
Also searched as6620-01-644-3496 ·
6620016443496 ·
NIIN 016443496 ·
01-644-3496 ·
FSC 6620 Engine Instruments · CAGE 7JYX1 · AN 3967251
Manufacturer of record: Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc
Identification
NSN: 6620-01-644-3496
NIIN: 016443496
FSC: 6620 — Engine Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: AN 3967251
Manufacturer: Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc
General Description
The Transmitter,pressure, cataloged under National Stock Number 6620-01-644-3496, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
Transmitter,pressure
FSC / FSG
6620 — Engine Instruments (FSG 66)
Manufacturers
Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc (CAGE 7JYX1)
Technical Specifications
Parameter
Value
NSN
6620-01-644-3496
Primary Part Number
AN 3967251
Item Name
Transmitter,pressure
FSC / FSG
6620 / 66 — Engine Instruments
Manufacturer
Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc
Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc (USA)
Reference documents
Reference
Meaning
AN 3967251
3/9Design control — primary reference
Hdt Expeditionary Systems, Inc.
No interchangeability data on file.
Other items in FSC 6620 — Engine Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6620-00-000-0124
6620-00-000-0124 · Item name not on file
6620-00-000-0548
6620-00-000-0548 · Item name not on file
6620-00-001-1398
STARTER AND SHAFT ASSEMBLY
6620-00-001-4552
6620-00-001-4552 · Item name not on file
6620-00-001-9331
6620-00-001-9331 · Item name not on file
6620-00-001-9332
6620-00-001-9332 · Item name not on file
6620-00-001-9333
6620-00-001-9333 · Item name not on file
6620-00-001-9334
6620-00-001-9334 · Item name not on file
Frequently Asked Questions
What is NSN 6620-01-644-3496?
NSN 6620-01-644-3496 is a Transmitter,pressure, manufactured by Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc, classified under FSC 6620, Engine Instruments. Status: active.
What part numbers are listed for NSN 6620-01-644-3496?
NSN 6620-01-644-3496 has 1 manufacturer part number on file: AN 3967251 (Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc).
Is NSN 6620-01-644-3496 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.