NSN 4820-00-949-0598 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-949-0598. Manufacturer of record part number: FV88-408-1.
Also searched as4820-00-949-0598 ·
4820009490598 ·
NIIN 009490598 ·
00-949-0598 ·
FSC 4820 Valves, Nonpowered · CAGE 04845 · FV88-408-1
General Characteristics Item Description: PLASTIC; 1.037 IN. ID; 1.161 IN. OD; 0.237 IN. W; DIAGONAL RING JOINT IN
1 manufacturer part number on file
Manufacturer of record: Automatic Switch Company Dba Asco
Identification
NSN: 4820-00-949-0598
NIIN: 009490598
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: FV88-408-1
Manufacturer: Automatic Switch Company Dba Asco
General Description
The Ring,valve Piston, cataloged under National Stock Number 4820-00-949-0598, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Automatic Switch Company Dba Asco. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-00-949-0598
Primary Part Number
FV88-408-1
Item Name
Ring,valve Piston
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Automatic Switch Company Dba Asco
Status
ACTIVE
General Characteristics Item Description
PLASTIC; 1.037 IN. ID; 1.161 IN. OD; 0.237 IN. W; DIAGONAL RING JOINT IN
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 4820-00-949-0598?
NSN 4820-00-949-0598 is a Ring,valve Piston, manufactured by Automatic Switch Company Dba Asco, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-949-0598?
NSN 4820-00-949-0598 has 1 manufacturer part number on file: FV88-408-1 (Automatic Switch Company Dba Asco).
What are the specifications of FV88-408-1?
Key specifications for FV88-408-1: General Characteristics Item Description: PLASTIC; 1.037 IN. ID; 1.161 IN. OD; 0.237 IN. W; DIAGONAL RING JOINT IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-00-949-0598 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.