NSN 4820-00-217-2816 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-217-2816. Manufacturer of record part number: 156/48.
The Disk,valve, cataloged under National Stock Number 4820-00-217-2816, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Wellman Group. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
4820-00-217-2816
Primary Part Number
156/48
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Wellman Group
Status
ACTIVE
Media for Which Designed
AIR
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 Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3455-00-236-8087B94.19 TABLE 28POSSIBLE MATCH
CUTTER,MILLING,END
Possible match (shared part number)American National Standards Institute Incorporated Dba American National Standards Institute
5950-00-310-3767242027P4POSSIBLE MATCH
REACTOR
Possible match (shared part number)Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
2520-00-311-17248695JPOSSIBLE MATCH
YOKE,UNIVERSAL JOINT,VEHICULAR
Possible match (shared part number)Rockford Powertrain Inc Div Powertrain Rockford, Inc.
8145-01-284-462215648POSSIBLE MATCH
SHIPPING AND STORAGE CONTAINER,E
Possible match (shared part number)Naval Inventory Control Point
6530-01-463-6472OM2908012POSSIBLE MATCH
TRAY,STERILIZATION
Possible match (shared part number)Allergan Inc
5945-01-467-5406LY2-0 12VDCPOSSIBLE MATCH
RELAY,ELECTROMAGNETIC
Possible match (shared part number)Omron Electronics Llc
6680-01-528-6914FCS-8-330POSSIBLE MATCH
TRANSMITTER,RATE OF FLOW
Possible match (shared part number)Aerospace Control Products, Inc. Dba Aerospace Control Products Inc
NSN 4820-00-217-2816 is a Disk,valve, manufactured by Wellman Group, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-217-2816?
NSN 4820-00-217-2816 has 2 manufacturer part numbers on file: 156/48 (Wellman Group), P52532 (Lexair Inc).
What NSN replaces 4820-00-217-2816?
7 possible matches (shared part number, not a government interchangeability claim): 3455-00-236-8087, 5950-00-310-3767, 2520-00-311-1724. Verify interchangeability with system specifications before substitution.
What are the specifications of 156/48?
Key specifications for 156/48: Special Features: INCLUDES 1/16 X 1/2 COTTER PIN;1/4-28NF CASTLE NUT; Media for Which Designed: AIR; End Item Identification: 4310-00-912-3043,RECIPROCATING COMPRESSOR. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-00-217-2816 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.