PartsTable TECHNICAL DATA SHEET
NSN 4820-01-212-6883Government record, cited

Stem, Fluid Valve4820-01-212-6883

NSN 4820-01-212-6883 · NIIN 012126883
FSC 4820 — Valves, Nonpowered · FSG 48 — Valves
Government record, cited
Also searched as  4820-01-212-6883 · 4820012126883 · NIIN 012126883 · 01-212-6883 · FSC 4820 Valves, Nonpowered · SSN637-516-2159967 PIECE 8 · 77791-25X2 PIECE 8 · 77791-25X2 · SSN637-516-2159967
Nearby stock numbers  ·
Features
  • Stem,fluid Valve — FSC 4820
Identification
  • NSN: 4820-01-212-6883
  • NIIN: 012126883
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-212-6883, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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
NSN4820-01-212-6883
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — Valves, Nonpowered
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-213-005677791-25X2 PIECE 2 POSSIBLE MATCH
TAILPIECE,MANIFOLD VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-213-806577791-25X2 PIECE 20 POSSIBLE MATCH
TAILPIECE,RELIEF VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
SSN637-516-2159967 PIECE 8 5/2 Secondary reference
U.S. Government activity
77791-25X2 PIECE 8 3/2 Design control — primary reference
U.S. Government activity
77791-25X2 D/9 Drawing number reference only
U.S. Government activity
SSN637-516-2159967 D/9 Drawing number reference only
U.S. Government activity
Related Parts
4820-01-213-0056POSSIBLE MATCH
TAILPIECE,MANIFOLD VALVE
77791-25X2 PIECE 2
4820-01-213-8065POSSIBLE MATCH
TAILPIECE,RELIEF VALVE
77791-25X2 PIECE 20

Frequently Asked Questions

What is NSN 4820-01-212-6883?

NSN 4820-01-212-6883 is a Stem,fluid Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-212-6883?

2 possible matches (shared part number, not a government interchangeability claim): 4820-01-213-0056, 4820-01-213-8065. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-212-6883?

Key specifications for 4820-01-212-6883: Special Features: ALUMINUM-BRONZE,QQ-B-679; 6.250 IN. O/A LG; SEAT END PLAIN,0.809 MIN 0.811 MAX IN. OD; HANDWHEEL END THD,1/2 IN. 13UNC-2A THD A. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-212-6883 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.
PartsTable Design LLC · partstable.com