PartsTable TECHNICAL DATA SHEET

NSN 4820-01-187-1247Government record, cited

Adjustment Screw, Valve4820-01-187-1247

NSN 4820-01-187-1247 · NIIN 011871247 · Part number N-7045

Metrex Valve Corp. Dba Metrex Valve Corp · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 21013

Government record, cited

NSN 4820-01-187-1247 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-187-1247. Manufacturer of record part number: N-7045.

Also searched as 4820-01-187-1247 · 4820011871247 · NIIN 011871247 · 01-187-1247 · FSC 4820 Valves, Nonpowered · CAGE 21013 · N-7045 · RVN5200-125 ITEM N-7045

Nearby stock numbers ← 4820-01-187-1241 · 4820-01-187-1248 →

4820-01-187-1247 — Valves, Nonpowered

Features

Adjustment Screw,valve — FSC 4820
General Characteristics Item Description: CRES,303,QQ-S-763; 3.125 IN. O/A LG; 1/2 IN. 20UNF-2A THD SIZE,2.247 IN. THD LG; BOTH ENDS PLAIN,ONE END 0.312 IN. SQUARE W/ROUND CORNERS,0.420 IN. CORNERS DIA,OTHER END ROUND,0.250 IN. DIA A
1 manufacturer part number on file
Manufacturer of record: Metrex Valve Corp. Dba Metrex Valve Corp

Identification

NSN: 4820-01-187-1247
NIIN: 011871247
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: N-7045
Manufacturer: Metrex Valve Corp. Dba Metrex Valve Corp

General Description

The Adjustment Screw,valve, cataloged under National Stock Number 4820-01-187-1247, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Metrex Valve Corp. Dba Metrex Valve Corp. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-187-1247
Primary Part Number	N-7045
Item Name	Adjustment Screw,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Metrex Valve Corp. Dba Metrex Valve Corp
Status	ACTIVE
General Characteristics Item Description	CRES,303,QQ-S-763; 3.125 IN. O/A LG; 1/2 IN. 20UNF-2A THD SIZE,2.247 IN. THD LG; BOTH ENDS PLAIN,ONE END 0.312 IN. SQUARE W/ROUND CORNERS,0.420 IN. CORNERS DIA,OTHER END ROUND,0.250 IN. DIA A

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
N-7045 PRIMARY	Metrex Valve Corp. Dba Metrex Valve Corp (USA)

Reference documents

Reference	Meaning
RVN5200-125 ITEM N-7045	5/9 Secondary reference Metrex Valve Corp. Dba Metrex Valve Corp

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 4820-01-187-1247?

NSN 4820-01-187-1247 is a Adjustment Screw,valve, manufactured by Metrex Valve Corp. Dba Metrex Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-187-1247?

NSN 4820-01-187-1247 has 1 manufacturer part number on file: N-7045 (Metrex Valve Corp. Dba Metrex Valve Corp).

What are the specifications of N-7045?

Key specifications for N-7045: General Characteristics Item Description: CRES,303,QQ-S-763; 3.125 IN. O/A LG; 1/2 IN. 20UNF-2A THD SIZE,2.247 IN. THD LG; BOTH ENDS PLAIN,ONE END 0.312 IN. SQUARE W/ROUND CORNERS,0.420 IN. CORNERS DIA,OTHER END ROUND,0.250 IN. DIA A. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-187-1247 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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