NSN 4820-00-405-4891 · NIIN 004054891 · Part number 2601732-1
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 30003
Government record, cited
NSN 4820-00-405-4891 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-405-4891. Manufacturer of record part number: 2601732-1.
Manufacturer of record: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Identification
NSN: 4820-00-405-4891
NIIN: 004054891
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 2601732-1
Manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
General Description
The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-405-4891, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Technical Specifications
Parameter
Value
NSN
4820-00-405-4891
Primary Part Number
2601732-1
Item Name
Diaphragm,valve,flat
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Reference documents
Reference
Meaning
AGC2584
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-00-405-4891?
NSN 4820-00-405-4891 is a Diaphragm,valve,flat, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-405-4891?
NSN 4820-00-405-4891 has 1 manufacturer part number on file: 2601732-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
What are the specifications of 2601732-1?
Key specifications for 2601732-1: End Item Identification: FUEL GELLING UNIT. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-405-4891 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.