Nrp, Pilot Line Chk4820-01-661-1691

NSN 4820-01-661-1691 · NIIN 016611691 · Part number 123SCP9909-1

Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 70974

Government record, cited

NSN 4820-01-661-1691 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-661-1691. Manufacturer of record part number: 123SCP9909-1.

Also searched as 4820-01-661-1691 · 4820016611691 · NIIN 016611691 · 01-661-1691 · FSC 4820 Valves, Nonpowered · CAGE 70974 · 123SCP9909-1 · 62129-4

Nearby stock numbers ← 4820-01-661-1688 Nrp, Low Level Ctrl · 4820-01-661-1693 Nrp, Valve, Check A01 →

4820-01-661-1691 — Valves, Nonpowered

Features

Nrp,pilot Line Chk — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems

Identification

NSN: 4820-01-661-1691
NIIN: 016611691
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 123SCP9909-1
Manufacturer: Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems

General Description

The Nrp,pilot Line Chk, cataloged under National Stock Number 4820-01-661-1691, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-661-1691
Primary Part Number	123SCP9909-1
Item Name	Nrp,pilot Line Chk
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems
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	Y

Cross-Reference Index

Part Number	Manufacturer
123SCP9909-1 PRIMARY	Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems (USA)

Reference documents

Reference	Meaning
62129-4	5/2 Secondary 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 4820-01-661-1691?

NSN 4820-01-661-1691 is a Nrp,pilot Line Chk, manufactured by Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-661-1691?

NSN 4820-01-661-1691 has 1 manufacturer part number on file: 123SCP9909-1 (Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems).

Is NSN 4820-01-661-1691 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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