PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1660PL2117578Regulator,oxygen,demand

Jednolity Indeks Materialowy - Uniform Material Index · NSN 1660-00-927-1996 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-927-1996 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-927-1996. Primary manufacturer part number: 1660PL2117578.
Features
  • Regulator,oxygen,demand — FSC 1660
  • Flow Indicator: NOT INCLUDED
  • On-Off Switch: NOT INCLUDED
  • Marking Finish: LUMINESCENT
  • FSC Application Data: OXYGEN BREATHING SYSTEM,AIRCRAFT
  • Installation Design: PORTABLE
  • Pressure Gage: INCLUDED
  • Lighted Panel: NOT INCLUDED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Regulator,oxygen,demand, cataloged under National Stock Number 1660-00-927-1996, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Jednolity Indeks Materialowy - Uniform Material Index. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-00-927-1996
Primary Part Number1660PL2117578
Item NameRegulator,oxygen,demand
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerJednolity Indeks Materialowy - Uniform Material Index
StatusACTIVE
Flow IndicatorNOT INCLUDED
On-Off SwitchNOT INCLUDED
Marking FinishLUMINESCENT
FSC Application DataOXYGEN BREATHING SYSTEM,AIRCRAFT
Installation DesignPORTABLE
Pressure GageINCLUDED
Lighted PanelNOT INCLUDED
Emergency Oxygen Control TypeVALVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1660-00-113-6272 INTERCHANGEABLE
Regulator,oxygen,demand
3030-00-160-8280A21 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
4720-00-278-111412B 1/2ID 50 FT LG INTERCHANGEABLE
Hose,nonmetallic
Gates Corporation
1660-00-605-7844 INTERCHANGEABLE
Regulator,oxygen,demand
1660-00-608-32459010A INTERCHANGEABLE
Regulator,oxygen,demand
Avox Systems Inc Dba Avox Systems Inc
5950-00-645-1972146-92-1 INTERCHANGEABLE
Transformer,audio Frequency
Kearfott Corporation Div Guidance and Navigation Division
1660-00-782-4697 INTERCHANGEABLE
Regulator,oxygen,demand
4820-00-937-5486 INTERCHANGEABLE
Diaphragm,valve,flat
4730-00-997-2247A21 INTERCHANGEABLE
Clamp,hose
Emhart Industries Inc Hardware Div
4310-01-021-1589A21 INTERCHANGEABLE
Pin,piston
Gardner Denver Inc.
Cross-Reference Index
Part NumberManufacturer
1660PL2117578 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MIL-PRF-7605F Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1660PL1060654 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MILR7605D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1660PL1943306 Jednolity Indeks Materialowy - Uniform Material Index (POL)
9010A5 Avox Systems Inc Dba Avox Systems Inc (USA)
8148650 Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA)
A21 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
9010A7 Avox Systems Inc Dba Avox Systems Inc (USA)
3260007-0103 Mission Systems Davenport Inc. (USA)
3260007-0201 Mission Systems Davenport Inc. (USA)
Related Parts
1660-00-113-6272INTERCHANGEABLE
REGULATOR,OXYGEN,DEMAND
3030-00-160-8280INTERCHANGEABLE
BELT,V
A21
4720-00-278-1114INTERCHANGEABLE
HOSE,NONMETALLIC
12B 1/2ID 50 FT LG
1660-00-605-7844INTERCHANGEABLE
REGULATOR,OXYGEN,DEMAND
1660-00-608-3245INTERCHANGEABLE
REGULATOR,OXYGEN,DEMAND
9010A
5950-00-645-1972INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
146-92-1
1660-00-782-4697INTERCHANGEABLE
REGULATOR,OXYGEN,DEMAND
4820-00-937-5486INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
4730-00-997-2247INTERCHANGEABLE
CLAMP,HOSE
A21
4310-01-021-1589INTERCHANGEABLE
PIN,PISTON
A21
5330-01-107-3307INTERCHANGEABLE
PACKING,PREFORMED
3950-0035
4320-01-114-7867INTERCHANGEABLE
BASE,PUMP

Frequently Asked Questions

What is NSN 1660-00-927-1996?

NSN 1660-00-927-1996 is a Regulator,oxygen,demand, manufactured by Jednolity Indeks Materialowy - Uniform Material Index, classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-927-1996?

NSN 1660-00-927-1996 has 11 cross-referenced part numbers: 1660PL2117578 (Jednolity Indeks Materialowy - Uniform Material Index), MIL-PRF-7605F (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1660PL1060654 (Jednolity Indeks Materialowy - Uniform Material Index), MILR7605D (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1660PL1943306 (Jednolity Indeks Materialowy - Uniform Material Index) and 6 more.

What NSN replaces 1660-00-927-1996?

There are 12 known substitutes for 1660-00-927-1996: 1660-00-113-6272, 3030-00-160-8280, 4720-00-278-1114 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1660PL2117578?

Key specifications for 1660PL2117578: Flow Indicator: NOT INCLUDED; On-Off Switch: NOT INCLUDED; Marking Finish: LUMINESCENT; FSC Application Data: OXYGEN BREATHING SYSTEM,AIRCRAFT. 12 total characteristics are documented in the Federal Logistics Information System.

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