PartsTable TECHNICAL DATA SHEET

NSN 4820-01-034-1302Government record, cited

Seat, Valve4820-01-034-1302

NSN 4820-01-034-1302 · NIIN 010341302

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-034-1302 · 4820010341302 · NIIN 010341302 · 01-034-1302 · FSC 4820 Valves, Nonpowered · 417B151-3INPC5 · 09556

Nearby stock numbers ← 4820-01-034-1292 · 4820-01-034-1309 Valve, Check →

4820-01-034-1302 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Body Outside Diameter: 3.485 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN
Seal Accommodation Type: GROOVED
Hardness Rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL
Style Designator: PLAIN
Body Inside Diameter: 2.500 INCHES NOMINAL IN
Seat Radius: 0.062 INCHES NOMINAL IN
Material: RUBBER BUNA N OVERALL

Identification

NSN: 4820-01-034-1302
NIIN: 010341302
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-034-1302, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-034-1302
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Body Outside Diameter	3.485 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN
Seal Accommodation Type	GROOVED
Hardness Rating	85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL
Style Designator	PLAIN
Body Inside Diameter	2.500 INCHES NOMINAL IN
Seat Radius	0.062 INCHES NOMINAL IN
Material	RUBBER BUNA N OVERALL
Seating Surface Shape	RADIAL

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
417B151-3INPC5	5/9 Secondary reference U.S. Government activity
09556	3/9 Design control — primary reference U.S. Government activity

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 4820-01-034-1302?

NSN 4820-01-034-1302 is a Seat,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-034-1302?

Key specifications for 4820-01-034-1302: Overall Height: 0.369 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN; Body Outside Diameter: 3.485 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN; Seal Accommodation Type: GROOVED; Hardness Rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-034-1302 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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