Seat, Valve4820-00-678-6147

NSN 4820-00-678-6147 · NIIN 006786147

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-00-678-6147 · 4820006786147 · NIIN 006786147 · 00-678-6147 · FSC 4820 Valves, Nonpowered · GG6056B · GG6056B · 7005706

Nearby stock numbers ← 4820-00-678-6146 · 4820-00-678-6173 →

4820-00-678-6147 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Body Outside Diameter: 2.495 INCHES MINIMUM AND 2.496 INCHES MAXIMUM IN
Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM FACE
Style Designator: PLAIN
Body Inside Diameter: 1.890 INCHES MINIMUM AND 1.900 INCHES MAXIMUM IN
Material: COPPER ALLOY OVERALL
Seat Angle in Deg: 90.000 NOMINAL
Seating Surface Shape: ANGULAR

Identification

NSN: 4820-00-678-6147
NIIN: 006786147
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Seat,valve, cataloged under National Stock Number 4820-00-678-6147, 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7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-00-678-6147
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Body Outside Diameter	2.495 INCHES MINIMUM AND 2.496 INCHES MAXIMUM IN
Hardness Rating	35.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM FACE
Style Designator	PLAIN
Body Inside Diameter	1.890 INCHES MINIMUM AND 1.900 INCHES MAXIMUM IN
Material	COPPER ALLOY OVERALL
Seat Angle in Deg	90.000 NOMINAL
Seating Surface Shape	ANGULAR

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
GG6056B	3/9 Design control — primary reference Ford Motor Co Ford Parts and Service Div Government Part Sales
GG6056B	C/1 Advisory reference — outside the item-of-supply concept Ford Motor Company
7005706	5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm

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 4820-00-678-6147?

NSN 4820-00-678-6147 is a Seat,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-00-678-6147?

Key specifications for 4820-00-678-6147: Overall Height: 0.498 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Body Outside Diameter: 2.495 INCHES MINIMUM AND 2.496 INCHES MAXIMUM IN; Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM FACE; Style Designator: PLAIN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-678-6147 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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