PartsTable TECHNICAL DATA SHEET

NSN 4820-01-722-9993Government record, cited

Retainer, Disk, Valve4820-01-722-9993

NSN 4820-01-722-9993 · NIIN 017229993

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-722-9993 · 4820017229993 · NIIN 017229993 · 01-722-9993 · FSC 4820 Valves, Nonpowered · 37150A · 214550/REV A

Nearby stock numbers ← 4820-01-722-9982 Valve, Linear, Directional Control · 4820-01-723-0094 Valve, Safety Relief →

4820-01-722-9993 — Valves, Nonpowered

Features

Retainer,disk,valve — FSC 4820

Identification

NSN: 4820-01-722-9993
NIIN: 017229993
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Retainer,disk,valve, cataloged under National Stock Number 4820-01-722-9993, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Retainer,disk,valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)

Technical Specifications

Parameter	Value
NSN	4820-01-722-9993
Item Name	Retainer,disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE

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

⇄ Related Items 5

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5331-01-723-015100931G POSSIBLE MATCH

O-RING

Possible match (shared part number)Griswold Industries Dba Cla-Val Co

5331-01-723-085600517D POSSIBLE MATCH

O-RING

Possible match (shared part number)Griswold Industries Dba Cla-Val Co

4820-01-723-0861214551-01K POSSIBLE MATCH

VALVE,FLOW CONTROL

Possible match (shared part number)Griswold Industries Dba Cla-Val Co

4820-01-723-086821482201C POSSIBLE MATCH

SEAT,VALVE

Possible match (shared part number)Griswold Industries Dba Cla-Val Co

5331-01-723-087100509A POSSIBLE MATCH

O-RING

Possible match (shared part number)Griswold Industries Dba Cla-Val Co

Cross-Reference Index

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

Reference documents

Reference	Meaning
37150A	3/2 Design control — primary reference U.S. Government activity
214550/REV A	D/9 Drawing number reference only U.S. Government activity

Related Parts

5331-01-723-0151POSSIBLE MATCH

O-RING

00931G

5331-01-723-0856POSSIBLE MATCH

O-RING

00517D

4820-01-723-0861POSSIBLE MATCH

VALVE,FLOW CONTROL

214551-01K

4820-01-723-0868POSSIBLE MATCH

SEAT,VALVE

21482201C

5331-01-723-0871POSSIBLE MATCH

O-RING

00509A

Frequently Asked Questions

What is NSN 4820-01-722-9993?

NSN 4820-01-722-9993 is a Retainer,disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-722-9993?

5 possible matches (shared part number, not a government interchangeability claim): 5331-01-723-0151, 5331-01-723-0856, 4820-01-723-0861. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-722-9993 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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