PartsTable TECHNICAL DATA SHEET

NSN 4820-01-090-9654Government record, cited

Valve, Safety Relief4820-01-090-9654

NSN 4820-01-090-9654 · NIIN 010909654

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-090-9654 · 4820010909654 · NIIN 010909654 · 01-090-9654 · FSC 4820 Valves, Nonpowered · 6184-86 · 10101-11 · 10101-11 ITEM 49 · 10101-11 ITEM 49 · 6184-86

Nearby stock numbers ← 4820-01-090-9653 Valve, Angle · 4820-01-090-9655 Valve, Safety Relief →

4820-01-090-9654 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Flow Control Device: BALL
Connection Style: PLAIN (PIPE) ALL ENDS
Connection Type: THREADED EXTERNAL PIPE ALL ENDS
Style Designator: STRAIGHT THRU
Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Direction: RIGHT-HAND ALL ENDS
Nominal Thread Size: 0.375 INCHES ALL ENDS IN

Identification

NSN: 4820-01-090-9654
NIIN: 010909654
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-090-9654, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-090-9654
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Flow Control Device	BALL
Connection Style	PLAIN (PIPE) ALL ENDS
Connection Type	THREADED EXTERNAL PIPE ALL ENDS
Style Designator	STRAIGHT THRU
Operating Pressure	6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Thread Direction	RIGHT-HAND ALL ENDS
Nominal Thread Size	0.375 INCHES ALL ENDS IN
Maximum Operating Temp	500.0 FAHRENHEIT SINGLE RESPONSE DEGF
Disk Loading Method	SPRING
Media for Which Designed	WATER-OIL-GAS SINGLE RESPONSE
Material	STEEL CORROSION RESISTING OVERALL
Thread Series Designator	NPT ALL ENDS
Valve Operation Method	AUTOMATIC

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 9

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

4440-01-115-5586 POSSIBLE MATCH

DEHYDRATOR,DESICCANT,ELECTRIC

Possible match (shared part number)

4820-01-137-33121010111 POSSIBLE MATCH

VALVE,BUTTERFLY

Possible match (shared part number)Norriseal Norris Values Div Dba Dover Co

4440-01-180-0733 POSSIBLE MATCH

SILENCER,DEHYDRATOR

Possible match (shared part number)

4440-01-210-95637895 POSSIBLE MATCH

FRAME ASSEMBLY

Possible match (shared part number)Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect

4440-01-210-95647158-7 POSSIBLE MATCH

BLOCK,MANIFOLD

Possible match (shared part number)Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect

4440-01-210-956510101-11 ITEM 46 POSSIBLE MATCH

BLOCK,MANIFOLD

Possible match (shared part number)Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect

3120-01-231-0944 POSSIBLE MATCH

BUSHING,SLEEVE

Possible match (shared part number)

5315-01-265-87721-010-111 POSSIBLE MATCH

KEY,MACHINE

Possible match (shared part number)Parker Hannifin Corp Motion and Control Group Fluidpower Sales - Detroit

4440-01-587-8267 POSSIBLE MATCH

DEHYDRATOR,DESICCANT,ELECTRIC

Possible match (shared part number)

Cross-Reference Index

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

Reference documents

Reference	Meaning
6184-86	3/9 Design control — primary reference Air Dry Co of America, Llc
10101-11	D/9 Drawing number reference only Air Dry Co of America, Llc
10101-11 ITEM 49	3/2 Design control — primary reference U.S. Government activity
10101-11 ITEM 49	5/9 Secondary reference Air Dry Co of America, Llc
6184-86	5/2 Secondary reference U.S. Government activity

Related Parts

4440-01-115-5586POSSIBLE MATCH

DEHYDRATOR,DESICCANT,ELECTRIC

4820-01-137-3312POSSIBLE MATCH

VALVE,BUTTERFLY

1010111

4440-01-180-0733POSSIBLE MATCH

SILENCER,DEHYDRATOR

4440-01-210-9563POSSIBLE MATCH

FRAME ASSEMBLY

7895

4440-01-210-9564POSSIBLE MATCH

BLOCK,MANIFOLD

7158-7

4440-01-210-9565POSSIBLE MATCH

BLOCK,MANIFOLD

10101-11 ITEM 46

3120-01-231-0944POSSIBLE MATCH

BUSHING,SLEEVE

5315-01-265-8772POSSIBLE MATCH

KEY,MACHINE

1-010-111

4440-01-587-8267POSSIBLE MATCH

DEHYDRATOR,DESICCANT,ELECTRIC

Frequently Asked Questions

What is NSN 4820-01-090-9654?

NSN 4820-01-090-9654 is a Valve,safety Relief, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-090-9654?

9 possible matches (shared part number, not a government interchangeability claim): 4440-01-115-5586, 4820-01-137-3312, 4440-01-180-0733. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-090-9654?

Key specifications for 4820-01-090-9654: Flow Control Device: BALL; Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-090-9654 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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