NSN 4820-01-202-8659 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-202-8659. Manufacturer of record part number: 70-13-0153-16.
The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-202-8659, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Anchor/darling Valve Co. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-202-8659
Primary Part Number
70-13-0153-16
Item Name
Diaphragm,actuator Valve,special
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Anchor/darling Valve Co
Status
ACTIVE
Outside Diameter
3.750 INCHES NOMINAL IN
Style Designator
SPECIAL SHAPED
Material Thickness
0.062 INCHES NOMINAL IN
Material
RUBBER
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.
4320-01-202-941670-11-0656-10POSSIBLE MATCH
RING,LANTERN
Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc
4820-01-202-957070-02-1109-10POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Bs&b Safety Systems Llc
4820-01-202-957170-02-1107-10POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc
4820-01-202-963770-02-1102-10POSSIBLE MATCH
RETAINER,SEAT,VALVE
Possible match (shared part number)Flowserve Corporation Div Flowserve Us Inc
4820-01-202-970370-13-0526-12POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Bs&b Safety Systems Llc
NSN 4820-01-202-8659 is a Diaphragm,actuator Valve,special, manufactured by Anchor/darling Valve Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-202-8659?
NSN 4820-01-202-8659 has 1 manufacturer part number on file: 70-13-0153-16 (Anchor/darling Valve Co).
What NSN replaces 4820-01-202-8659?
5 possible matches (shared part number, not a government interchangeability claim): 4320-01-202-9416, 4820-01-202-9570, 4820-01-202-9571. Verify interchangeability with system specifications before substitution.
What are the specifications of 70-13-0153-16?
Key specifications for 70-13-0153-16: Outside Diameter: 3.750 INCHES NOMINAL IN; Style Designator: SPECIAL SHAPED; Material Thickness: 0.062 INCHES NOMINAL IN; Material: RUBBER. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-202-8659 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.