NSN 4820-01-452-6326 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-452-6326. Manufacturer of record part number: T11-5111-101.
Manufacturer of record: Oklahoma Safety Equipment Co Inc Dba Oseco Div Oklahoma Safety Equipment Co. (dba Oseco)
Identification
NSN: 4820-01-452-6326
NIIN: 014526326
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: T11-5111-101
Manufacturer: Oklahoma Safety Equipment Co Inc Dba Oseco Div Oklahoma Safety Equipment Co. (dba Oseco)
General Description
The Retainer,disk,valve, cataloged under National Stock Number 4820-01-452-6326, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Oklahoma Safety Equipment Co Inc Dba Oseco Div Oklahoma Safety Equipment Co. (dba Oseco). Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
4820-01-452-6326
Primary Part Number
T11-5111-101
Item Name
Retainer,disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Oklahoma Safety Equipment Co Inc Dba Oseco Div Oklahoma Safety Equipment Co. (dba Oseco)
Oklahoma Safety Equipment Co Inc Dba Oseco Div Oklahoma Safety Equipment Co. (dba Oseco) (USA)
Reference documents
Reference
Meaning
19N0004
5/9Secondary reference
Chart Inc Div Distribution and Storage
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
Related Parts in Valves
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
8171E-1/4HS2
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
D559A3M2
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 4820-01-452-6326?
NSN 4820-01-452-6326 is a Retainer,disk,valve, manufactured by Oklahoma Safety Equipment Co Inc Dba Oseco Div Oklahoma Safety Equipment Co. (dba Oseco), classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-452-6326?
NSN 4820-01-452-6326 has 1 manufacturer part number on file: T11-5111-101 (Oklahoma Safety Equipment Co Inc Dba Oseco Div Oklahoma Safety Equipment Co. (dba Oseco)).
What are the specifications of T11-5111-101?
Key specifications for T11-5111-101: Nominal Thread Size: 0.500 INCHES IN; Valve Size for Which Designed: 0.500 INCHES IN; Valve Design Control Activity: 64055; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-452-6326 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.