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NSN 4820-01-293-6910Government record, cited

Seat, Valve4820-01-293-6910

NSN 4820-01-293-6910 · NIIN 012936910 · Part number 30121 PIECE 2 8IN
Crane Co Div Valve Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 14959
Government record, cited
NSN 4820-01-293-6910 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-293-6910. Manufacturer of record part number: 30121 PIECE 2 8IN.
Also searched as  4820-01-293-6910 · 4820012936910 · NIIN 012936910 · 01-293-6910 · FSC 4820 Valves, Nonpowered · CAGE 14959 · 30121 PIECE 2 8IN
Nearby stock numbers  ·
Features
  • Seat,valve — FSC 4820
  • Flange Seat to Disk End Height: 1.094 INCHES NOMINAL IN
  • Flange Diameter: 9.125 INCHES NOMINAL IN
  • Style Designator: THREADED FLANGED
  • Material Document and Classification: ASTM B164 ALLOY R-405 ASSN STD SINGLE MATERIAL RESPONSE SEAT
  • Body Inside Diameter: 8.687 INCHES NOMINAL IN
  • Under Flange Height: 0.750 INCHES NOMINAL IN
  • Material: NICKEL ALLOY OVERALL
Identification
  • NSN: 4820-01-293-6910
  • NIIN: 012936910
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 30121 PIECE 2 8IN
  • Manufacturer: Crane Co Div Valve Div
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-293-6910, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Crane Co Div Valve Div. Government technical data includes 8 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
NSN4820-01-293-6910
Primary Part Number30121 PIECE 2 8IN
Item NameSeat,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerCrane Co Div Valve Div
StatusACTIVE
Flange Seat to Disk End Height1.094 INCHES NOMINAL IN
Flange Diameter9.125 INCHES NOMINAL IN
Style DesignatorTHREADED FLANGED
Material Document and ClassificationASTM B164 ALLOY R-405 ASSN STD SINGLE MATERIAL RESPONSE SEAT
Body Inside Diameter8.687 INCHES NOMINAL IN
Under Flange Height0.750 INCHES NOMINAL IN
MaterialNICKEL ALLOY OVERALL
Seating Surface ShapeFLAT
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
30121 PIECE 2 8IN PRIMARY Crane Co Div Valve Div (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 4820-01-293-6910?

NSN 4820-01-293-6910 is a Seat,valve, manufactured by Crane Co Div Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-293-6910?

NSN 4820-01-293-6910 has 1 manufacturer part number on file: 30121 PIECE 2 8IN (Crane Co Div Valve Div).

What are the specifications of 30121 PIECE 2 8IN?

Key specifications for 30121 PIECE 2 8IN: Flange Seat to Disk End Height: 1.094 INCHES NOMINAL IN; Flange Diameter: 9.125 INCHES NOMINAL IN; Style Designator: THREADED FLANGED; Material Document and Classification: ASTM B164 ALLOY R-405 ASSN STD SINGLE MATERIAL RESPONSE SEAT. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-293-6910 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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