Valve, Check4820-01-695-1129

NSN 4820-01-695-1129 · NIIN 016951129

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-695-1129 · 4820016951129 · NIIN 016951129 · 01-695-1129 · FSC 4820 Valves, Nonpowered

Nearby stock numbers ← 4820-01-695-1114 Repair Kit, Valve · 4820-01-695-1180 Valve, Ball →

4820-01-695-1129 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Connection Style: FLARED (TUBE) ALL ENDS
Criticality Code Justification: AGAV
Connection Type: THREADED EXTERNAL TUBE ALL ENDS
Nominal Outside Diameter Tube Accommodated: 0.375 INCHES ALL ENDS IN
Operating Pressure: 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size: 0.375 INCHES IN
Seat Angle: 37.0 DEGREES ALL ENDS

Identification

NSN: 4820-01-695-1129
NIIN: 016951129
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,check, cataloged under National Stock Number 4820-01-695-1129, 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13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-695-1129
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Connection Style	FLARED (TUBE) ALL ENDS
Criticality Code Justification	AGAV
Connection Type	THREADED EXTERNAL TUBE ALL ENDS
Nominal Outside Diameter Tube Accommodated	0.375 INCHES ALL ENDS IN
Operating Pressure	600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size	0.375 INCHES IN
Seat Angle	37.0 DEGREES ALL ENDS
Maximum Operating Temp	450.0 FAHRENHEIT SINGLE RESPONSE DEGF
Disk Loading Method	SPRING
Media for Which Designed	OIL SINGLE RESPONSE
Material	ALUMINUM ALLOY 2024 BODY
Material	RUBBER FLUOROSILICONE CLASS FQ PACKING
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	Y

Cross-Reference Index

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

Reference documents

Reference	Meaning
864A-6TT	3/2 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 4820-01-695-1129?

NSN 4820-01-695-1129 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-695-1129?

Key specifications for 4820-01-695-1129: Connection Style: FLARED (TUBE) ALL ENDS; Criticality Code Justification: AGAV; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.375 INCHES ALL ENDS IN. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-695-1129 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.

PartsTable Design LLC · partstable.com