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NSN 4820-00-987-7940Government record, cited

Ball, Valve, Ported4820-00-987-7940

NSN 4820-00-987-7940 · NIIN 009877940
FSC 4820 — Valves, Nonpowered · FSG 48 — Valves
Government record, cited
Also searched as  4820-00-987-7940 · 4820009877940 · NIIN 009877940 · 00-987-7940 · FSC 4820 Valves, Nonpowered · 2640-640PC4 · 2640-636X1PC3 · 2640-040PC6 · 2640-240PC6
Nearby stock numbers  ·
Features
  • Ball,valve,ported — FSC 4820
  • Port Diameter: 0.625 INCHES NOMINAL IN
  • Spherical Diameter: 1.875 INCHES NOMINAL IN
  • Port Configuration: STRAIGHT
  • Stem Accommodation Quantity: 1
  • Port Quantity: 2
  • Material Document and Classification: QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE
  • Material: NICKEL ALLOY
Identification
  • NSN: 4820-00-987-7940
  • NIIN: 009877940
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
General Description

The Ball,valve,ported, cataloged under National Stock Number 4820-00-987-7940, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-987-7940
Item NameBall,valve,ported
FSC / FSG4820 / 48 — Valves, Nonpowered
StatusACTIVE
Port Diameter0.625 INCHES NOMINAL IN
Spherical Diameter1.875 INCHES NOMINAL IN
Port ConfigurationSTRAIGHT
Stem Accommodation Quantity1
Port Quantity2
Material Document and ClassificationQQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE
MaterialNICKEL ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
2640-640PC4 5/2 Secondary reference
U.S. Government activity
2640-636X1PC3 5/2 Secondary reference
U.S. Government activity
2640-040PC6 5/2 Secondary reference
U.S. Government activity
2640-240PC6 3/2 Design control — primary reference
U.S. Government activity

Frequently Asked Questions

What is NSN 4820-00-987-7940?

NSN 4820-00-987-7940 is a Ball,valve,ported, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-00-987-7940?

Key specifications for 4820-00-987-7940: Port Diameter: 0.625 INCHES NOMINAL IN; Spherical Diameter: 1.875 INCHES NOMINAL IN; Port Configuration: STRAIGHT; Stem Accommodation Quantity: 1. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-987-7940 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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