Valve, Ball4820-01-550-5397

NSN 4820-01-550-5397 · NIIN 015505397 · Part number 77-901-01

Conbraco Industries Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 57661

Government record, cited

NSN 4820-01-550-5397 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-550-5397. Manufacturer of record part number: 77-901-01.

Also searched as 4820-01-550-5397 · 4820015505397 · NIIN 015505397 · 01-550-5397 · FSC 4820 Valves, Nonpowered · CAGE 57661 · 77-901-01 · 7522B-03 · 7600 ITEM 19

Nearby stock numbers ← 4820-01-550-5373 Valve, Safety Relief · 4820-01-550-5543 Cock, Drain →

4820-01-550-5397 — Valves, Nonpowered

Features

Valve,ball — FSC 4820
Connection Type: THREADED INTERNAL BOSS ALL ENDS
Style Designator: STRAIGHT THRU
Material: BRONZE BODY
Valve Operation Method: MANUAL
3 manufacturer part numbers on file
Manufacturer of record: Conbraco Industries Inc

Identification

NSN: 4820-01-550-5397
NIIN: 015505397
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 77-901-01
Manufacturer: Conbraco Industries Inc

General Description

The Valve,ball, cataloged under National Stock Number 4820-01-550-5397, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Conbraco Industries Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-550-5397
Primary Part Number	77-901-01
Item Name	Valve,ball
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Conbraco Industries Inc
Status	ACTIVE
Connection Type	THREADED INTERNAL BOSS ALL ENDS
Style Designator	STRAIGHT THRU
Material	BRONZE BODY
Valve Operation Method	MANUAL

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

Part Number	Manufacturer
7522B-03	Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
77-901-01 PRIMARY	Conbraco Industries Inc (USA)
7600 ITEM 19	Howell Laboratories Inc Dba Howell Laboratories Inc (USA)

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 4820-01-550-5397?

NSN 4820-01-550-5397 is a Valve,ball, manufactured by Conbraco Industries Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-550-5397?

NSN 4820-01-550-5397 has 3 manufacturer part numbers on file: 7522B-03 (Howell Laboratories Inc Dba Howell Laboratories Inc), 77-901-01 (Conbraco Industries Inc), 7600 ITEM 19 (Howell Laboratories Inc Dba Howell Laboratories Inc).

What are the specifications of 77-901-01?

Key specifications for 77-901-01: Connection Type: THREADED INTERNAL BOSS ALL ENDS; Style Designator: STRAIGHT THRU; Special Features: VALVE HAS FULL-PORT SAE STRAIGHT THREADS WITH O-RING BOSS CONNECTIONS.; End Item Identification: ANTI-FOULING CHLORINATOR FOR NEW CONSTRUCTION DDG102. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-550-5397 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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