Plate, Valve Stop4310-01-630-4281

NSN 4310-01-630-4281 · NIIN 016304281 · Part number 45M-879A

Metrex Valve Corp. Dba Metrex Valve Corp · FSC 4310 — Compressors and Vacuum Pumps · FSG 43 — Pumps and Compressors · CAGE 21013

Government record, cited

NSN 4310-01-630-4281 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-630-4281. Manufacturer of record part number: 45M-879A.

Also searched as 4310-01-630-4281 · 4310016304281 · NIIN 016304281 · 01-630-4281 · FSC 4310 Compressors and Vacuum Pumps · CAGE 21013 · 45M-879A · BPR300-316ITEM19

Nearby stock numbers ← 4310-01-630-3914 Plate, Valve Stop · 4310-01-630-4479 Compressor Unit, Reciprocating →

Features

Plate,valve Stop — FSC 4310
2 manufacturer part numbers on file
Manufacturer of record: Metrex Valve Corp. Dba Metrex Valve Corp

Identification

NSN: 4310-01-630-4281
NIIN: 016304281
FSC: 4310 — Compressors and Vacuum Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 45M-879A
Manufacturer: Metrex Valve Corp. Dba Metrex Valve Corp

General Description

The Plate,valve Stop, cataloged under National Stock Number 4310-01-630-4281, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Metrex Valve Corp. Dba Metrex Valve Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Plate,valve Stop
FSC / FSG	4310 — Compressors and Vacuum Pumps (FSG 43)
Manufacturers	Metrex Valve Corp. Dba Metrex Valve Corp (CAGE 21013)

Technical Specifications

Parameter	Value
NSN	4310-01-630-4281
Primary Part Number	45M-879A
Item Name	Plate,valve Stop
FSC / FSG	4310 / 43 — Compressors and Vacuum Pumps
Manufacturer	Metrex Valve Corp. Dba Metrex Valve Corp
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	X

Cross-Reference Index

Part Number	Manufacturer
45M-879A PRIMARY	Metrex Valve Corp. Dba Metrex Valve Corp (USA)
BPR300-316ITEM19	Metrex Valve Corp. Dba Metrex Valve Corp (USA)

No interchangeability data on file.

Other items in FSC 4310 — Compressors and Vacuum Pumps

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4310-00-000-0050

COMPRESSOR UNIT,RECIPROCATING

4310-00-001-0059

4310-00-001-0059 · Item name not on file

4310-00-001-2044

MOUNTING PAD,TANK,PRESSURE

4310-00-001-3477

PARTS KIT,VACUUM PUMP

4310-00-001-3493

VACUUM PUMP,ROTARY

4310-00-001-6194

4310-00-001-6194 · Item name not on file

4310-00-001-6381

4310-00-001-6381 · Item name not on file

4310-00-001-7755

PARTS KIT,VACUUM PUMP

Frequently Asked Questions

What is NSN 4310-01-630-4281?

NSN 4310-01-630-4281 is a Plate,valve Stop, manufactured by Metrex Valve Corp. Dba Metrex Valve Corp, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.

What part numbers are listed for NSN 4310-01-630-4281?

NSN 4310-01-630-4281 has 2 manufacturer part numbers on file: 45M-879A (Metrex Valve Corp. Dba Metrex Valve Corp), BPR300-316ITEM19 (Metrex Valve Corp. Dba Metrex Valve Corp).

Is NSN 4310-01-630-4281 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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