PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14884Sleeve,relief Valve

Mission Systems Orchard Park Inc · NSN 1660-00-633-2579 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-633-2579 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-633-2579. Primary manufacturer part number: 14884.
Features
  • Sleeve,relief Valve — FSC 1660
  • 2 verified cross-references
  • Primary manufacturer: Mission Systems Orchard Park Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Sleeve,relief Valve, cataloged under National Stock Number 1660-00-633-2579, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Mission Systems Orchard Park Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSleeve,relief Valve
FSC / FSG1660 — No Item Name Available (FSG 16)
ManufacturersIngersoll-Rand Company Dba Ingersoll-Rand (CAGE 03990); Mission Systems Orchard Park Inc (CAGE 04577)
Technical Specifications
ParameterValue
NSN1660-00-633-2579
Primary Part Number14884
Item NameSleeve,relief Valve
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerMission Systems Orchard Park Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-167-51035F40-1442 INTERCHANGEABLE
Gasket
Carrier Corp
1660-00-347-811314884-1 INTERCHANGEABLE
Handle,three-Way-VA
Honeywell International, Inc Div Aerospace-Tucson
5940-00-557-14717612710 INTERCHANGEABLE
Terminal,lug
Us Army Aviation and Missile Command
5940-00-688-42851488-4 INTERCHANGEABLE
Terminal,lug
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5940-01-065-61891488-4 INTERCHANGEABLE
Terminal,lug
Integrated Power Systems Llc
5120-01-564-179814884 INTERCHANGEABLE
Remover,electrical Contact
Auto Vehicle Parts Co Dba Au-Ve-Co
Cross-Reference Index
Part NumberManufacturer
14884 Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
14884 PRIMARY Mission Systems Orchard Park Inc (USA)
Related Parts
5330-00-167-5103INTERCHANGEABLE
GASKET
5F40-1442
1660-00-347-8113INTERCHANGEABLE
HANDLE,THREE-WAY-VA
14884-1
5940-00-557-1471INTERCHANGEABLE
TERMINAL,LUG
7612710
5940-00-688-4285INTERCHANGEABLE
TERMINAL,LUG
1488-4
5940-01-065-6189INTERCHANGEABLE
TERMINAL,LUG
1488-4
5120-01-564-1798INTERCHANGEABLE
REMOVER,ELECTRICAL CONTACT
14884

Frequently Asked Questions

What is NSN 1660-00-633-2579?

NSN 1660-00-633-2579 is a Sleeve,relief Valve, manufactured by Mission Systems Orchard Park Inc, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-633-2579?

NSN 1660-00-633-2579 has 2 cross-referenced part numbers: 14884 (Ingersoll-Rand Company Dba Ingersoll-Rand), 14884 (Mission Systems Orchard Park Inc).

What NSN replaces 1660-00-633-2579?

There are 6 known substitutes for 1660-00-633-2579: 5330-00-167-5103, 1660-00-347-8113, 5940-00-557-1471 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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