Catalog item

VALVE,RESTRICTOR CHECK

4820FSC
00NCB code
516-4497Item number
NIIN 00-516-4497
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DEMIL code
A

Identification

Item name code
20520
PINC
0020520
Criticality code
X
II
0
DEMIL code
A
NIIN assigned
01-JAN-63
Precious metals indicator
U
Hazardous material indicator
N
Last known source of supply
SMS

Related items

Standardization

NIIN status code
8

Cancelled and replaced NIINs

FSC
1650
Cancelled NIIN
1650-00-611-2097
NIIN status code
7
Effective date
02-JUL-2026
DEMIL code
B

History

Identification changes

Item name code
20520
DEMIL code
A
Criticality code
X
Precious metals indicator
U
Cancelled date
22-JUL-2026
NIIN status code
8

Past part numbers

Part numberCAGERNCCRNVC
4550314-50318355
THE BOEING COMPANY
59
4550314-50718355
THE BOEING COMPANY
59
S4550314-50318355
THE BOEING COMPANY
59
S4550314-50718355
THE BOEING COMPANY
59
4550314-50388277
THE BOEING COMPANY
52
4550314-50788277
THE BOEING COMPANY
52
S4550314-50388277
THE BOEING COMPANY
52
S4550314-50788277
THE BOEING COMPANY
52
6F1030-01099240
CRISSAIR INC DIV ESCO TECHNOLOGIES
32
6F1130-01099240
CRISSAIR INC DIV ESCO TECHNOLOGIES
52
6F1150-01099240
CRISSAIR INC DIV ESCO TECHNOLOGIES
52

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Your request goes to A-DEFENSE, a US Defense supplier in Texas, who will reply by email.