Guide, Valve Stem4820-01-191-6750

NSN 4820-01-191-6750 · NIIN 011916750

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-191-6750 · 4820011916750 · NIIN 011916750 · 01-191-6750 · FSC 4820 Valves, Nonpowered · NAP 794 · P535E · NAP 794 PIECE 29

Nearby stock numbers ← 4820-01-191-6658 Valve, Linear, Directional Control · 4820-01-191-6764 Disk, Valve →

4820-01-191-6750 — Valves, Nonpowered

Features

Guide,valve Stem — FSC 4820
Bore Counterbore: INCLUDED
Outside Diameter: 1.922 INCHES NOMINAL IN
Counterbore Depth: 0.125 INCHES NOMINAL IN
Counterbore Location: AA END
Counterbore Diameter: 0.812 INCHES MINIMUM AND 0.815 INCHES MAXIMUM IN
Bore Diameter: 0.6880 INCHES NOMINAL IN
Material: STEEL

Identification

NSN: 4820-01-191-6750
NIIN: 011916750
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Guide,valve Stem, cataloged under National Stock Number 4820-01-191-6750, 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8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-191-6750
Item Name	Guide,valve Stem
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Bore Counterbore	INCLUDED
Outside Diameter	1.922 INCHES NOMINAL IN
Counterbore Depth	0.125 INCHES NOMINAL IN
Counterbore Location	AA END
Counterbore Diameter	0.812 INCHES MINIMUM AND 0.815 INCHES MAXIMUM IN
Bore Diameter	0.6880 INCHES NOMINAL IN
Material	STEEL
Bore Countersink	NOT INCLUDED

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
NAP 794	D/9 Drawing number reference only Atlas Valve Co
P535E	5/9 Secondary reference Atlas Valve Co
NAP 794 PIECE 29	3/9 Design control — primary reference Atlas Valve Co

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 4820-01-191-6750?

NSN 4820-01-191-6750 is a Guide,valve Stem, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-191-6750?

Key specifications for 4820-01-191-6750: Overall Length: 1.062 INCHES NOMINAL IN; Bore Counterbore: INCLUDED; Outside Diameter: 1.922 INCHES NOMINAL IN; Counterbore Depth: 0.125 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-191-6750 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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