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  4. FSC 1660 - Pressurizing Equipment, Heating and Aircraft Air Conditioning
  5. NSN 1660-00-730-2247

1660-00-730-2247

NIIN 00-730-2247 - Oxygen Mask Connector

NSN 1660-00-730-2247 Classification

aluminum alloy,qq&a&225-6,temper t4,finish all over 63 mircon inch,anodize per mil&a&8625,type ii,class 2,black,1.137 in. min 1.147 in. maxod,0.615 in. min 0.625 in. max id,1.688 in. lg general characteristics item description, oxygen breathing system,aircraft fsc application data

National Stock Number
1660-00-730-2247
Federal Supply Group
16 - Aerospace Craft Components and Accessories
Federal Supply Classification
1660 - Pressurizing Equipment, Heating and Aircraft Air Conditioning
National Item Identification Number
00-730-2247
Item Name Code
77777
Assigned Date
Tue, Jan 1, 1963
Schedule B Code
8807300060
Requires Demilitarization
DEMIL/MLI

NSN 1660-00-730-2247 Specification

Set by the OEM (See RNCC code 3)

General Characteristics Item Description
aluminum alloy,qq&a&225-6,temper t4,finish all over 63 mircon inch,anodize per mil&a&8625,type ii,class 2,black,1.137 in. min 1.147 in. maxod,0.615 in. min 0.625 in. max id,1.688 in. lg
Fsc Application Data
oxygen breathing system,aircraft
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NSN 1660-00-730-2247 Material

Hazmat, Precious Metals, Criticality, Environment, and ESD

A
(PMIC) Precious Metals Indicator
Item does not contain precious metal.
What does the A code means?

Precious metals indicator code (pmic): this code is to identify items that have precious metals as part of their content. Precious metals are those metals generally considered to be uncommon and highly valuable which are relatively superior in certain properties such as resistance to corrosion and electrical conductivity. The precious metals recovery program for the federal government encompasses gold, silver, platinum, and the platinum family which consists of palladium, iridium, rhodium, osmium, and ruthenium. See volume 10, table 160 and quick info on-line.

N
(HMIC) Hazardous Metal Indicator
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
What does the N code means?

Hazardous materials indicator code: a code established in the dlis total item record (tir) to identify to users of the federal catalog system all known or suspected hazardous items as defined by safety/health, transaction and/or environmental regulations, to serve as a flag that a procuring activity must acquire a material safety data sheet when a hazardous item is procured, and to inform federal catalog system users when more detailed information on an item is available in the hazardous material information system. See volume 10, table 179 and quick info on-line.

F
Criticality Code
The item is an aviation critical safety item/flight safety critical aircraft part (acsi/fscap).
What does the F code means?

Criticality code, federal item identification guide: a code which indicates when an item is technically critical, by reason of tolerance, fit, application, nuclear hardness properties or other characteristic which affects identification of the item. See volume 10, table 181 and quick info on-line.

Cross Reference Parts

Part numbers that meet the specification outlined on this page and set by the OEM

Part Number CAGE RNCC RNVC DAC RNAAC MSDS SADC
1660PL0661050 9009H 6 9 9 WP - -
1675 05240 3 2 X XX - -
1675 0VGU1 3 2 5 ZZ - -
1675 14304 3 2 6 CL - -
1675 17755 5 9 2 SB - -
1675 21856 5 1 5 ZZ - -
1675 24446 3 2 X XX - -
1675 28968 C 1 6 AX - A5
1675 34895 3 2 5 CX - -
1675 45225 3 2 4 75 - -
1675 45225 3 2 4 75
1675 50423 5 9 5 ZZ - -
1675 58880 5 9 5 TX - -
1675 59890 3 2 4 75 - -
1675 60969 3 2 X XX - -
1675 74096 3 2 X XX - -
1675 81381 5 2 X XX - -
1675 89875 5 1 4 ZZ - -
1675 99227 5 9 5 ZZ - -
266-114 15927 5 9 3 MB - -
266-114 53655 5 9 5 ZZ - -
57B3661 80049 5 9 2 SX - -
57B3661 98748 5 9 5 ZZ - -
G002-1001 60240 5 9 3 MB - -
G002-1001-01 58918 5 2 5 ZZ - -
G002-1001-01 60240 3 9 5 MB - -
G002-1001-01 98752 5 9 5 ZZ - -
G002-1001-01 99227 3 2 5 ZZ - -
G002-1001-01 C8186 5 9 3 ZG - -
MS27796 60240 5 2 5 ZZ - -
MS27796 96906 4 1 4 SX - -
Price Quote

Get an up to date pricing and availability quote for 1660-00-730-2247.

Stock Availability

This product is available in the following quantities and conditions:

(NS) New Surplus 1,216
(NE) New Material 12
(AR) As Removed 15
(OH) Overhauled 1
(SV) Serviceable 1
In Stock 1,245
Availability of this item was last updated 08/19/2026 11:08 AM EDT.
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