NSN 4820-01-185-3255 · NIIN 011853255 · Part number D29886 1560SWLDG PIECE 5 2IN
William Powell Company, the Dba Powell Valve Div the Starflo Corporation · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 48422
Government record, cited
NSN 4820-01-185-3255 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-185-3255. Manufacturer of record part number: D29886 1560SWLDG PIECE 5 2IN.
Manufacturer: William Powell Company, the Dba Powell Valve Div the Starflo Corporation
General Description
The Cap,valve, cataloged under National Stock Number 4820-01-185-3255, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is William Powell Company, the Dba Powell Valve Div the Starflo Corporation. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-185-3255
Primary Part Number
D29886 1560SWLDG PIECE 5 2IN
Item Name
Cap,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
Status
ACTIVE
Valve Type for Which Designed
CHECK
Valve Model Number for Which Designed
1560SWLDG
Valve Size for Which Designed
2.000 INCHES IN
Height
2.898 INCHES NOMINAL IN
Width
4.615 INCHES NOMINAL IN
Material
STEEL
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-185-3271D29886 1560SWLDG PIECE 9 2 INPOSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4820-01-185-3272D29886 1561FE PIECE 9 1INPOSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4820-01-192-3529D29886 1561 PIECE 11 2INPOSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4820-01-192-3730D29886 1561 PIECE 9 2INPOSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)William Powell Company, the Dba Powell Valve Div the Starflo Corporation
4820-01-289-1071PIECE E 63056 P200POSSIBLE MATCH
CAP,VALVE
Possible match (shared part number)William Powell Company, the Dba Powell Valve Div the Starflo Corporation
William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
Reference documents
Reference
Meaning
D29886
D/9Drawing number reference only
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
Related Parts
4820-01-185-3271POSSIBLE MATCH
DISK,VALVE
D29886 1560SWLDG PIECE 9 2 IN
4820-01-185-3272POSSIBLE MATCH
DISK,VALVE
D29886 1561FE PIECE 9 1IN
4820-01-192-3529POSSIBLE MATCH
SEAT,VALVE
D29886 1561 PIECE 11 2IN
4820-01-192-3730POSSIBLE MATCH
DISK,VALVE
D29886 1561 PIECE 9 2IN
4820-01-289-1071POSSIBLE MATCH
CAP,VALVE
PIECE E 63056 P200
Frequently Asked Questions
What is NSN 4820-01-185-3255?
NSN 4820-01-185-3255 is a Cap,valve, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-185-3255?
NSN 4820-01-185-3255 has 1 manufacturer part number on file: D29886 1560SWLDG PIECE 5 2IN (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).
What NSN replaces 4820-01-185-3255?
5 possible matches (shared part number, not a government interchangeability claim): 4820-01-185-3271, 4820-01-185-3272, 4820-01-192-3529. Verify interchangeability with system specifications before substitution.
What are the specifications of D29886 1560SWLDG PIECE 5 2IN?
Key specifications for D29886 1560SWLDG PIECE 5 2IN: Valve Type for Which Designed: CHECK; Valve Model Number for Which Designed: 1560SWLDG; Overall Length: 4.615 INCHES NOMINAL IN; Valve Size for Which Designed: 2.000 INCHES IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-185-3255 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.