Plate, Valve Stop4310-01-274-3689

NSN 4310-01-274-3689 · NIIN 012743689 · Part number 49538

Leroi International Inc Dba Compair Leroi · FSC 4310 — Compressors and Vacuum Pumps · FSG 43 — Pumps and Compressors · CAGE 1XBP3

Government record, cited

NSN 4310-01-274-3689 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-274-3689. Manufacturer of record part number: 49538.

Also searched as 4310-01-274-3689 · 4310012743689 · NIIN 012743689 · 01-274-3689 · FSC 4310 Compressors and Vacuum Pumps · CAGE 1XBP3 · 49538

Nearby stock numbers ← 4310-01-274-1902 · 4310-01-274-3695 Cylinder Head, Compressor →

Features

Plate,valve Stop — FSC 4310
1 manufacturer part number on file
Manufacturer of record: Leroi International Inc Dba Compair Leroi

Identification

NSN: 4310-01-274-3689
NIIN: 012743689
FSC: 4310 — Compressors and Vacuum Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 49538
Manufacturer: Leroi International Inc Dba Compair Leroi

General Description

The Plate,valve Stop, cataloged under National Stock Number 4310-01-274-3689, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Leroi International Inc Dba Compair Leroi. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4310-01-274-3689
Primary Part Number	49538
Item Name	Plate,valve Stop
FSC / FSG	4310 / 43 — Compressors and Vacuum Pumps
Manufacturer	Leroi International Inc Dba Compair Leroi
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
49538 PRIMARY	Leroi International Inc Dba Compair Leroi (USA)

Reference documents

Reference	Meaning
49538	3/9 Design control — primary reference Compair Kellogg Div of Robertshaw Controls Co

Frequently Asked Questions

What is NSN 4310-01-274-3689?

NSN 4310-01-274-3689 is a Plate,valve Stop, manufactured by Leroi International Inc Dba Compair Leroi, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.

What part numbers are listed for NSN 4310-01-274-3689?

NSN 4310-01-274-3689 has 1 manufacturer part number on file: 49538 (Leroi International Inc Dba Compair Leroi).

What are the specifications of 49538?

Key specifications for 49538: Special Features: HIGH PRESSURE; End Item Identification: COMPAIR KELLOGG MODEL 340 AIR COMPRESSOR. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4310-01-274-3689 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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