NSN 4240-00-021-2325

Protective Antiback Draft Valve
DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
000212325

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Product Definition Definition of approved item name (AIN): "VALVE,ANTIBACK DRAFT,PROTECTIVE"

An item consisting of a metal frame, to which is attached a hinged metal flapper plate. The fluctuating flapper plate automatically regulates the pressure between the outer air locks and the atmosphere of protective shelters. Excludes draft control, flue, automatic.

4240-00-021-2325 Spec. NSN part characteristics

MRC
Name
Detail
MRC:
TEXT
General Description
Components, angle, aluminum alloy 1, bar, aluminum alloy 2, frame, air valve 1, hinge, continuous 2, hinge, door, air valve 1, insert 2, panel, louvered 1, receptacle, turnlock fastener 2, rivet, solid 4, rivet, universal head 5, shim 1, strip, rubber, cellular 1, stud, turnlock fastener 2, washer, spring tension 2; not designed for installation in rd pipe; designed for installation in other than rd pipe, 13 in. W input opening, 13.750 in. H input opening

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
Status
MSDS
SADC
Part Number:
10104749
Cage Code:
18876
RNCC:
3
RNVC:
2
DAC:
1
RNAAC:
CX
Status:
A
MSDS:
SADC:
Indicates a design/source control reference item
Inidicates part number has been superseded

Identification Item Identification Guide (IIG) and Item Name Code (INC)

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15648
FIIG:
A23900
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Special material and handling

HMIC
PMIC
ESD
ENAC
ADPE
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
ADPE:
CRITL:
X
Hazmat (HMIC) P

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

Precious Metals (PMIC) U

Precious metal content is unknown

Criticality X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

National motor freight and handling

NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
127220
NMF Description:
Pressure Reg/red/relief Valves Noi
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ADC:
A
ACC:
B

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 713

Metal hardware.

Air Commodity (ACC) B

Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater.

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)