NSN 4820-00-138-2028 · NIIN 001382028 · Part number 201615
Dynex/rivett Corp Power Units and Systems · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 50988
Government record, cited
NSN 4820-00-138-2028 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-138-2028. Manufacturer of record part number: 201615.
Also searched as4820-00-138-2028 ·
4820001382028 ·
NIIN 001382028 ·
00-138-2028 ·
FSC 4820 Valves, Nonpowered · CAGE 50988 · 201615
Manufacturer of record: Dynex/rivett Corp Power Units and Systems
Identification
NSN: 4820-00-138-2028
NIIN: 001382028
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 201615
Manufacturer: Dynex/rivett Corp Power Units and Systems
General Description
The Piston,valve, cataloged under National Stock Number 4820-00-138-2028, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dynex/rivett Corp Power Units and Systems. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
4820-00-138-2028
Primary Part Number
201615
Item Name
Piston,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Dynex/rivett Corp Power Units and Systems
Status
ACTIVE
Outside Diameter
1.605 INCHES NOMINAL IN
Valve Design Control Activity
50988
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 Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-00-209-3412201615POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Brinkley Technology Group Llc Dba Hercules Manufacturing
2840-00-210-5909201615POSSIBLE MATCH
LOCK,FRONT COMPRESSOR
Possible match (shared part number)Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2530-00-422-782710A1616POSSIBLE MATCH
SEAT,SPRING,SAFETY
Possible match (shared part number)Napco International Llc Dba Napco International Inc
2030-00-509-8440201-615POSSIBLE MATCH
RAM,STEERING GEAR
Possible match (shared part number)Huntington Ingalls Inc Div Newport News Shipbuilding
5330-00-527-9234201615POSSIBLE MATCH
FELT,MECHANICAL,PREFORMED
Possible match (shared part number)Honeywell International Inc. Div Aerospace - Torrance
3120-00-700-68087006808POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5340-01-567-59812016-15POSSIBLE MATCH
STRAP,WEBBING
Possible match (shared part number)Saab Barracuda Llc
C/1Advisory reference — outside the item-of-supply concept
Dynex/rivett Inc.
Related Parts
5310-00-209-3412POSSIBLE MATCH
WASHER,FLAT
201615
2840-00-210-5909POSSIBLE MATCH
LOCK,FRONT COMPRESSOR
201615
2530-00-422-7827POSSIBLE MATCH
SEAT,SPRING,SAFETY
10A1616
2030-00-509-8440POSSIBLE MATCH
RAM,STEERING GEAR
201-615
5330-00-527-9234POSSIBLE MATCH
FELT,MECHANICAL,PREFORMED
201615
3120-00-700-6808POSSIBLE MATCH
BEARING,SLEEVE
7006808
5340-01-567-5981POSSIBLE MATCH
STRAP,WEBBING
2016-15
Frequently Asked Questions
What is NSN 4820-00-138-2028?
NSN 4820-00-138-2028 is a Piston,valve, manufactured by Dynex/rivett Corp Power Units and Systems, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-138-2028?
NSN 4820-00-138-2028 has 1 manufacturer part number on file: 201615 (Dynex/rivett Corp Power Units and Systems).
What NSN replaces 4820-00-138-2028?
7 possible matches (shared part number, not a government interchangeability claim): 5310-00-209-3412, 2840-00-210-5909, 2530-00-422-7827. Verify interchangeability with system specifications before substitution.
What are the specifications of 201615?
Key specifications for 201615: Outside Diameter: 1.605 INCHES NOMINAL IN; Overall Length: 2.562 INCHES NOMINAL IN; Valve Design Control Activity: 50988; Material: STEEL. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-138-2028 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.