NSN 4730-01-393-2746

Boss Nipple
DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
013932746

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Inventory

 

This product may be available in the following quantities and conditions.

  • NS: 39
  • NE: 2920
  • SV: 3
  • AR: 1

Please note that inventory for this NSN was updated 09/12/2025 and may have changed since then. Request a quote for up to date pricing and availability.

Product Definition Definition of approved item name (AIN): "NIPPLE,BOSS"

A straight, one-piece fitting used to join two bosses or boss fittings. Both ends are the same size and have external machine threads (straignt threads other than pipe or hose series). It is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. The center section may be suitably shaped to accommodate a wrench.

4730-01-393-2746 Spec. NSN part characteristics

MRC
Name
Detail
MRC:
AAJD
Thread Class
3a all ends
MRC:
AHNC
Connection Style
External seat for gasket seal (boss) all ends
MRC:
AWLS
Connection Type
Threaded external boss all ends
MRC:
CQJX
Thread Size
0.438 inches all ends
MRC:
CWFR
Nominallength
1.063 inches
MRC:
MATT
Material
Titanium alloy uns r54520
MRC:
STYL
Style Designator
Flareless (tube)
MRC:
THSD
Thread Series Designator
Unjf all ends

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:
MS21902-4T
Cage Code:
96906
RNCC:
2
RNVC:
2
DAC:
E
RNAAC:
ZZ
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Inidicates part number has been superseded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:
26952
FIIG:
A080B0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Special material and handling

HMIC
PMIC
ESD
ENAC
ADPE
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
ADPE:
CRITL:
X
Hazmat (HMIC) N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Precious Metals (PMIC) A

Item does not contain precious metal.

Criticality X

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

Import and Export

Schedule B
NAIC
End Use
SITC
USDA
HITECH
Schedule B:
8108908000
NAICS:
331491
End Use Class:
12290
SITC:
69985
USDA:
1
HITECH:
0

Schedule B Codes Definitions:

Schedule B 8108908000

Other Wrought Titanium, Nesoi

End Use Code 12290

Nonferrous Metals, Other

Standard Intl. Trade Class (SITC) 69985

Titanium, Wrought, and Articles Of Titanium, N.e.s.

National motor freight and handling

NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
051420
NMF Description:
O/t Earthen:pipe Fittings Conduits
UFC:
29090
LTL:
Rating variable
LCL:
--
WCC:
736
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) 736

Plumbing supplies.

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)