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NSN 4820-01-177-4595Government record, cited

Cap, Valve4820-01-177-4595

NSN 4820-01-177-4595 · NIIN 011774595 · Part number 20428-3260
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 4820-01-177-4595 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-177-4595. Manufacturer of record part number: 20428-3260.
Also searched as  4820-01-177-4595 · 4820011774595 · NIIN 011774595 · 01-177-4595 · FSC 4820 Valves, Nonpowered · CAGE 78062 · 20428-3260
Nearby stock numbers  ·
Features
  • Cap,valve — FSC 4820
  • Height: 1.594 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING
  • Attachment Method: THREADED
  • 1 manufacturer part number on file
  • Manufacturer of record: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Identification
  • NSN: 4820-01-177-4595
  • NIIN: 011774595
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 20428-3260
  • Manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
General Description

The Cap,valve, cataloged under National Stock Number 4820-01-177-4595, 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 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-177-4595
Primary Part Number20428-3260
Item NameCap,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Height1.594 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Attachment MethodTHREADED
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
20428-3260 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-177-4595?

NSN 4820-01-177-4595 is a Cap,valve, 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 4820-01-177-4595?

NSN 4820-01-177-4595 has 1 manufacturer part number on file: 20428-3260 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What are the specifications of 20428-3260?

Key specifications for 20428-3260: Height: 1.594 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING; Attachment Method: THREADED. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-177-4595 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.
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