PartsTable TECHNICAL DATA SHEET
NSN 4820-01-212-7633Government record, cited

Plate, Baffle, Valve4820-01-212-7633

NSN 4820-01-212-7633 · NIIN 012127633
FSC 4820 — Valves, Nonpowered · FSG 48 — Valves
Government record, cited
Also searched as  4820-01-212-7633 · 4820012127633 · NIIN 012127633 · 01-212-7633 · FSC 4820 Valves, Nonpowered · SSN671-515-2047294 · SSN671-515-2047294 PIECE 14 · 71553-79X6 PIECE 14 · 71553-79X6
Nearby stock numbers  ·
Features
  • Plate,baffle,valve — FSC 4820
  • General Characteristics Item Description: ROUND SHAPE;26.000 IN. OD;THREE BOLT HOLES 1.562 IN. DIA EQUALLY SPACED ON 15.875 IN. DIA BOLT CIRCLE;THREE HOLES EQUALLY SPACED ON 5.000 IN. DIA;TWENTY HOLES 1.218 IN. DIA LOCATED ON 24.500 IN. DIA BOLT CIRCLE IN
Identification
  • NSN: 4820-01-212-7633
  • NIIN: 012127633
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
General Description

The Plate,baffle,valve, cataloged under National Stock Number 4820-01-212-7633, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
NSN4820-01-212-7633
Item NamePlate,baffle,valve
FSC / FSG4820 / 48 — Valves, Nonpowered
StatusACTIVE
General Characteristics Item DescriptionROUND SHAPE;26.000 IN. OD;THREE BOLT HOLES 1.562 IN. DIA EQUALLY SPACED ON 15.875 IN. DIA BOLT CIRCLE;THREE HOLES EQUALLY SPACED ON 5.000 IN. DIA;TWENTY HOLES 1.218 IN. DIA LOCATED ON 24.500 IN. DIA BOLT CIRCLE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-213-005871553-79X6 PC3 POSSIBLE MATCH
RETAINER,PAD VALVE
Possible match (shared part number)Derbyshire Machine & Tool Co
4730-01-213-475371553-79X6 PIECE 6 POSSIBLE MATCH
PACKING NUT
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-213-960371553-79X6 PIECE 4 POSSIBLE MATCH
RETAINER,GASKET,VALVE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-214-718871553-79X6 PIECE 15 POSSIBLE MATCH
PLATE,STRAINER
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
SSN671-515-2047294 D/9 Drawing number reference only
U.S. Government activity
SSN671-515-2047294 PIECE 14 5/2 Secondary reference
U.S. Government activity
71553-79X6 PIECE 14 3/2 Design control — primary reference
U.S. Government activity
71553-79X6 D/9 Drawing number reference only
U.S. Government activity
Related Parts
4820-01-213-0058POSSIBLE MATCH
RETAINER,PAD VALVE
71553-79X6 PC3
4730-01-213-4753POSSIBLE MATCH
PACKING NUT
71553-79X6 PIECE 6
4820-01-213-9603POSSIBLE MATCH
RETAINER,GASKET,VALVE
71553-79X6 PIECE 4
4820-01-214-7188POSSIBLE MATCH
PLATE,STRAINER
71553-79X6 PIECE 15

Frequently Asked Questions

What is NSN 4820-01-212-7633?

NSN 4820-01-212-7633 is a Plate,baffle,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-212-7633?

4 possible matches (shared part number, not a government interchangeability claim): 4820-01-213-0058, 4730-01-213-4753, 4820-01-213-9603. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-212-7633?

Key specifications for 4820-01-212-7633: General Characteristics Item Description: ROUND SHAPE;26.000 IN. OD;THREE BOLT HOLES 1.562 IN. DIA EQUALLY SPACED ON 15.875 IN. DIA BOLT CIRCLE;THREE HOLES EQUALLY SPACED ON 5.000 IN. DIA;TWENTY HOLES 1.218 IN. DIA LOCATED ON 24.500 IN. DIA BOLT CIRCLE IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-212-7633 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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