NSN 4720-00-152-3629 · NIIN 001523629 · Part number 654331
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · FSC 4720 — Hose and Flexible Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 10001
Government record, cited
NSN 4720-00-152-3629 — this item is cataloged by the U.S. Government under National Stock Number 4720-00-152-3629. Manufacturer of record part number: 654331.
Also searched as4720-00-152-3629 ·
4720001523629 ·
NIIN 001523629 ·
00-152-3629 ·
FSC 4720 Hose and Flexible Tubing · CAGE 10001 · 654331 · 231364
General Characteristics Item Description: ACID FINISH QQ-A-696
2 manufacturer part numbers on file
Manufacturer of record: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Identification
NSN: 4720-00-152-3629
NIIN: 001523629
FSC: 4720 — Hose and Flexible Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 654331
Manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
General Description
The Duct,heater,sight, cataloged under National Stock Number 4720-00-152-3629, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4720-00-152-3629
Primary Part Number
654331
Item Name
Duct,heater,sight
FSC / FSG
4720 / 47 — Hose and Flexible Tubing
Manufacturer
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Status
ACTIVE
General Characteristics Item Description
ACID FINISH QQ-A-696
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
1680-00-496-0379POSSIBLE MATCH
PLATE,ARMOR,SEAT
23136-4
6130-01-316-3155POSSIBLE MATCH
POWER SUPPLY
6130-01-317-1497POSSIBLE MATCH
POWER SUPPLY
Frequently Asked Questions
What is NSN 4720-00-152-3629?
NSN 4720-00-152-3629 is a Duct,heater,sight, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
What part numbers are listed for NSN 4720-00-152-3629?
NSN 4720-00-152-3629 has 2 manufacturer part numbers on file: 654331 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 231364 (Lockheed Martin Corporation Div Rms - Mitchel Field).
What NSN replaces 4720-00-152-3629?
3 possible matches (shared part number, not a government interchangeability claim): 1680-00-496-0379, 6130-01-316-3155, 6130-01-317-1497. Verify interchangeability with system specifications before substitution.
What are the specifications of 654331?
Key specifications for 654331: General Characteristics Item Description: ACID FINISH QQ-A-696; End Item Identification: GUN SIGHT MK29 MOD1. 1 specification is documented in the U.S. Government catalog.
Is NSN 4720-00-152-3629 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.