Seat, Valve4820-01-100-7928

NSN 4820-01-100-7928 · NIIN 011007928

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-100-7928 · 4820011007928 · NIIN 011007928 · 01-100-7928 · FSC 4820 Valves, Nonpowered · SMO-12G INDEX 7-8IN · SMO 12G · 1177-801 · SM0-12G INDEX 7

Nearby stock numbers ← 4820-01-100-7883 · 4820-01-100-7962 Stem, Fluid Valve →

4820-01-100-7928 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Flange Seat to Disk End Height: 0.050 INCHES NOMINAL IN
Flange Diameter: 7.475 INCHES NOMINAL IN
Body Outside Diameter: 7.282 INCHES NOMINAL IN
Seal Accommodation Type: RECESSED
Body Stepped Inside Diameter: 6.438 INCHES NOMINAL FIRST STEP IN
Body Stepped Inside Diameter: 6.525 INCHES NOMINAL SECOND STEP IN
Style Designator: PLAIN FLANGED

Identification

NSN: 4820-01-100-7928
NIIN: 011007928
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-100-7928, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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

Parameter	Value
NSN	4820-01-100-7928
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Flange Seat to Disk End Height	0.050 INCHES NOMINAL IN
Flange Diameter	7.475 INCHES NOMINAL IN
Body Outside Diameter	7.282 INCHES NOMINAL IN
Seal Accommodation Type	RECESSED
Body Stepped Inside Diameter	6.438 INCHES NOMINAL FIRST STEP IN
Body Stepped Inside Diameter	6.525 INCHES NOMINAL SECOND STEP IN
Style Designator	PLAIN FLANGED
Under Flange Height	0.088 INCHES NOMINAL IN
Material	COPPER ALLOY BODY
Material	RUBBER BUNA N FACE
Seating Surface Shape	FLAT

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
SMO-12G INDEX 7-8IN	5/9 Secondary reference Prince Valve Inc
SMO 12G	D/9 Drawing number reference only Prince Valve Inc
1177-801	3/9 Design control — primary reference Prince Valve Inc
SM0-12G INDEX 7	C/1 Advisory reference — outside the item-of-supply concept Prince Valve Inc

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 4820-01-100-7928?

NSN 4820-01-100-7928 is a Seat,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-100-7928?

Key specifications for 4820-01-100-7928: Flange Seat to Disk End Height: 0.050 INCHES NOMINAL IN; Flange Diameter: 7.475 INCHES NOMINAL IN; Body Outside Diameter: 7.282 INCHES NOMINAL IN; Seal Accommodation Type: RECESSED. 11 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-100-7928 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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