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NSN 4820-01-049-6789Government record, cited
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Diaphragm, Actuator Valve, Special4820-01-049-6789

NSN 4820-01-049-6789 · NIIN 010496789 · Part number 27016-1370
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 78062
Government record, cited
NSN 4820-01-049-6789 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-049-6789. Manufacturer of record part number: 27016-1370.
Also searched as  4820-01-049-6789 · 4820010496789 · NIIN 010496789 · 01-049-6789 · FSC 4820 Valves, Nonpowered · CAGE 78062 · 27016-1370 · 27020-001PC27 · 27020-001
Nearby stock numbers  ·
150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS rated GATE VALVE PROFILE
4820-01-049-6789 — Valves, Nonpowered
Features
  • Diaphragm,actuator Valve,special — FSC 4820
  • Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
  • Temp Rating: 130.0 FAHRENHEIT NOMINAL DEGF
  • Outside Diameter: 2.000 INCHES NOMINAL IN
  • Style Designator: SPECIAL SHAPED
  • Media for Which Designed: WATER
  • Material: RUBBER SILICONE
  • 1 manufacturer part number on file
Identification
  • NSN: 4820-01-049-6789
  • NIIN: 010496789
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 27016-1370
  • Manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-01-049-6789, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-049-6789
Primary Part Number27016-1370
Item NameDiaphragm,actuator Valve,special
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Pressure Rating150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Temp Rating130.0 FAHRENHEIT NOMINAL DEGF
Outside Diameter2.000 INCHES NOMINAL IN
Style DesignatorSPECIAL SHAPED
Media for Which DesignedWATER
MaterialRUBBER SILICONE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-090-4674 POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
Possible match (shared part number)
4820-01-113-373927020-411 POSSIBLE MATCH
SLEEVE STEM,VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-119-227527016-1130 POSSIBLE MATCH
HEAD,VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-119-456127019-1010 POSSIBLE MATCH
COVER PLATE,VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-119-456227019-1020 POSSIBLE MATCH
COVER PLATE,VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-283-315127016-1011 POSSIBLE MATCH
STEM,FLUID VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-367-5653 POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
Possible match (shared part number)
6930-01-612-0735 POSSIBLE MATCH
UH-60M BLACKHAWK STABILATOR AND
Possible match (shared part number)
Cross-Reference Index
Part NumberManufacturer
27016-1370 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Reference documents
ReferenceMeaning
27020-001PC27 5/9 Secondary reference
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
27020-001 D/9 Drawing number reference only
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Related Parts
4820-01-090-4674POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
4820-01-113-3739POSSIBLE MATCH
SLEEVE STEM,VALVE
27020-411
4820-01-119-2275POSSIBLE MATCH
HEAD,VALVE
27016-1130
4810-01-119-4561POSSIBLE MATCH
COVER PLATE,VALVE
27019-1010
4810-01-119-4562POSSIBLE MATCH
COVER PLATE,VALVE
27019-1020
4820-01-283-3151POSSIBLE MATCH
STEM,FLUID VALVE
27016-1011
4820-01-367-5653POSSIBLE MATCH
VALVE,LINEAR,DIRECTIONAL CONTROL
6930-01-612-0735POSSIBLE MATCH
UH-60M BLACKHAWK STABILATOR AND

Frequently Asked Questions

What is NSN 4820-01-049-6789?

NSN 4820-01-049-6789 is a Diaphragm,actuator Valve,special, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-049-6789?

NSN 4820-01-049-6789 has 1 manufacturer part number on file: 27016-1370 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4820-01-049-6789?

8 possible matches (shared part number, not a government interchangeability claim): 4820-01-090-4674, 4820-01-113-3739, 4820-01-119-2275. Verify interchangeability with system specifications before substitution.

What are the specifications of 27016-1370?

Key specifications for 27016-1370: Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Temp Rating: 130.0 FAHRENHEIT NOMINAL DEGF; Outside Diameter: 2.000 INCHES NOMINAL IN; Style Designator: SPECIAL SHAPED. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-049-6789 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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