NSN 4520-01-680-6739 · NIIN 016806739 · Part number 6525774
Spectral Labs Incorporated Dba Spectral Labs · FSC 4520 — Space and Water Heating Equipment · FSG 45 — Plumbing, Heating, and Waste Disposal · CAGE 549W5
Government record, cited
NSN 4520-01-680-6739 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-680-6739. Manufacturer of record part number: 6525774.
Also searched as4520-01-680-6739 ·
4520016806739 ·
NIIN 016806739 ·
01-680-6739 ·
FSC 4520 Space and Water Heating Equipment · CAGE 549W5 · 6525774
Nearby stock numbers← 4520-01-680-4521 Heater, Space, Electric
·
4520-01-680-7498 Heater, Space, Electric →
Features
Pipe,exhaust — FSC 4520
2 manufacturer part numbers on file
Manufacturer of record: Spectral Labs Incorporated Dba Spectral Labs
The Pipe,exhaust, cataloged under National Stock Number 4520-01-680-6739, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Spectral Labs Incorporated Dba Spectral Labs. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Other items in FSC 4520 — Space and Water Heating Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4520-00-000-0098
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-000-0099
4520-00-000-0099 · Item name not on file
4520-00-001-1240
4520-00-001-1240 · Item name not on file
4520-00-001-3518
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-3519
HEATING ELEMENT,ELECTRICAL,IMMER
4520-00-001-6052
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-6298
HEATING ELEMENT,ELECTRICAL,NONIM
4520-00-001-7726
HEATER,DUCT TYPE,PORTABLE
Frequently Asked Questions
What is NSN 4520-01-680-6739?
NSN 4520-01-680-6739 is a Pipe,exhaust, manufactured by Spectral Labs Incorporated Dba Spectral Labs, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
What part numbers are listed for NSN 4520-01-680-6739?
NSN 4520-01-680-6739 has 2 manufacturer part numbers on file: 6525774 (Spectral Labs Incorporated Dba Spectral Labs), 6525774 (Naval Sea Systems Command).
Is NSN 4520-01-680-6739 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.