NSN 4310-01-209-2550 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-209-2550. Manufacturer of record part number: K33.
Also searched as4310-01-209-2550 ·
4310012092550 ·
NIIN 012092550 ·
01-209-2550 ·
FSC 4310 Compressors and Vacuum Pumps · CAGE 22111 · K33
Nearby stock numbers← 4310-01-209-1421 Oil Ring with Expander
·
4310-01-209-2551 →
Features
Compression Ring — FSC 4310
1 manufacturer part number on file
Manufacturer of record: Emglo Products Corp
Identification
NSN: 4310-01-209-2550
NIIN: 012092550
FSC: 4310 — Compressors and Vacuum Pumps
FSG: 43 — Pumps and Compressors
Primary part number: K33
Manufacturer: Emglo Products Corp
General Description
The Compression Ring, cataloged under National Stock Number 4310-01-209-2550, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Emglo Products Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4310-01-209-2550
Primary Part Number
K33
Item Name
Compression Ring
FSC / FSG
4310 / 43 — Compressors and Vacuum Pumps
Manufacturer
Emglo Products 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
⇄Related Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5999-01-453-5684K33POSSIBLE MATCH
HEATER,THERMAL RELEASE
Possible match (shared part number)Siemens Energy and Automation Inc Siemens Furnas Controls Div
4030-01-692-0926K33POSSIBLE MATCH
STAKE,GUY
Possible match (shared part number)Elite K-9, Inc.
NSN 4310-01-209-2550 is a Compression Ring, manufactured by Emglo Products Corp, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
What part numbers are listed for NSN 4310-01-209-2550?
NSN 4310-01-209-2550 has 1 manufacturer part number on file: K33 (Emglo Products Corp).
What NSN replaces 4310-01-209-2550?
2 possible matches (shared part number, not a government interchangeability claim): 5999-01-453-5684, 4030-01-692-0926. Verify interchangeability with system specifications before substitution.
What are the specifications of K33?
Key specifications for K33: End Item Identification: 4920011262039. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4310-01-209-2550 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.