NSN 4730-00-540-6299

Tube Coupling Inverted Nut
DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
5 EA
NIIN:
005406299

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Inventory

 

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

  • NE: 68
  • NS: 20

Please note that inventory for this NSN was updated 08/05/2025 and may have changed since then. Request a quote for up to date pricing and availability.

Product Definition Definition of approved item name (AIN): "INVERTED NUT,TUBE COUPLING"

An externally threaded fastening device which has an internal or external seat, designed to mate with the seat of an internally threaded tube fitting for the purpose of securing the tube to the fitting to form a leakproof connection.

4730-00-540-6299 Spec. NSN part characteristics

MRC
Name
Detail
MRC:
AAJD
Thread Class
3a
MRC:
AAJF
Thread Direction
Right-hand
MRC:
AARN
Fabrication Method
Bar stock, machined
MRC:
AASG
Casehardening Indicator
Not casehardened
MRC:
ABHP
Overall Length
0.844 inches
MRC:
ABUJ
Thread Size
1.875-12
MRC:
ACSV
Tube Outside Diameter For Which Designed
1.500 inches
MRC:
AGAV
End Application
17n aircraft, hawkeye e-2c
MRC:
AJFY
Seat Angle In Deg
33.0
MRC:
AJYP
Screw Thread Series Designator
Un
MRC:
ALME
Material Hardness Rating
Between 20.0 rockwell c and 32.0 rockwell c
MRC:
ASDB
Width Across Flats
1.625 inches
MRC:
AWQD
Strength Rating
200000.0 pounds per square inch tensile
MRC:
BSPX
Smallest Inside Diameter
1.520 inches
MRC:
MATL
Material
Steel, mil-s-18732, cond ht-200
MRC:
MATT
Material
Steel, mil-s-18732, cond ht-200
MRC:
SFTT
Surface Treatment
Passivate
MRC:
STYL
Style Designator
Inverted nut, tube, flare
MRC:
SURF
Surface Treatment
Passivated, mil-s-5002

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:
NAS597
Cage Code:
80205
RNCC:
3
RNVC:
1
DAC:
E
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
NAS594
Cage Code:
80205
RNCC:
3
RNVC:
1
DAC:
E
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
NAS594-24
Cage Code:
30974
RNCC:
5
RNVC:
1
DAC:
E
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
NAS594-24
Cage Code:
80205
RNCC:
3
RNVC:
2
DAC:
E
RNAAC:
AX
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Inidicates part number has been superseded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:
03857
FIIG:
T385-B
Concept No.:
App. Key:
BA
Cond. Code:
1
Status:
A

Special material and handling

HMIC
PMIC
ESD
ENAC
ADPE
CRITL
HMIC:
N
PMIC:
U
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) 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:
093486
NMF Description:
Noi (sub 3) Nuts Or Screws Bolts
UFC:
48950
LTL:
Rating variable
LCL:
--
WCC:
573
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) 573

Bolts or nuts (iron or steel),(less than 35 feet).

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)