NSN 4220-01-707-9558 · NIIN 017079558 · Part number 25545-21B2-1
3d Instruments Llc. Dba Sierra Precision · FSC 4220 — Marine Lifesaving and Diving Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 64528
Government record, cited
NSN 4220-01-707-9558 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-707-9558. Manufacturer of record part number: 25545-21B2-1.
Also searched as4220-01-707-9558 ·
4220017079558 ·
NIIN 017079558 ·
01-707-9558 ·
FSC 4220 Marine Lifesaving and Diving Equipment · CAGE 64528 · 25545-21B2-1
Manufacturer of record: 3d Instruments Llc. Dba Sierra Precision
Identification
NSN: 4220-01-707-9558
NIIN: 017079558
FSC: 4220 — Marine Lifesaving and Diving Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 25545-21B2-1
Manufacturer: 3d Instruments Llc. Dba Sierra Precision
General Description
The Gage,depth and Pressure Diver's, cataloged under National Stock Number 4220-01-707-9558, is classified within Federal Supply Class 4220 (Marine Lifesaving and Diving Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is 3d Instruments Llc. Dba Sierra Precision. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Gage,depth and Pressure Diver's
FSC / FSG
4220 — Marine Lifesaving and Diving Equipment (FSG 42)
Manufacturers
3d Instruments Llc. Dba Sierra Precision (CAGE 64528)
Technical Specifications
Parameter
Value
NSN
4220-01-707-9558
Primary Part Number
25545-21B2-1
Item Name
Gage,depth and Pressure Diver's
FSC / FSG
4220 / 42 — Marine Lifesaving and Diving Equipment
Other items in FSC 4220 — Marine Lifesaving and Diving Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4220-00-004-8880
4220-00-004-8880 · Item name not on file
4220-00-009-2854
DIVING EQUIPMENT SET
4220-00-012-3571
INFLATION ASSEMBLY,LIFE JACKET
4220-00-014-0183
4220-00-014-0183 · Item name not on file
4220-00-014-2097
CARTRIDGE,COMPRESSED GAS
4220-00-021-4979
COVER,RAFT
4220-00-021-9688
LANYARD ASSEMBLY
4220-00-022-1014
4220-00-022-1014 · Item name not on file
Frequently Asked Questions
What is NSN 4220-01-707-9558?
NSN 4220-01-707-9558 is a Gage,depth and Pressure Diver's, manufactured by 3d Instruments Llc. Dba Sierra Precision, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.
What part numbers are listed for NSN 4220-01-707-9558?
NSN 4220-01-707-9558 has 1 manufacturer part number on file: 25545-21B2-1 (3d Instruments Llc. Dba Sierra Precision).
Is NSN 4220-01-707-9558 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.