NSN 4730-00-423-6549

Packing Nut
DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
--
NIIN:
004236549

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Inventory

 

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

  • NS: 116
  • AR: 10
  • NE: 13
  • OH: 2

Please note that inventory for this NSN was updated 01/19/2026 and may have changed since then. Request a quote for up to date pricing and availability.

Product Definition Definition of approved item name (AIN): "PACKING NUT"

An item having internal and/or external machine thread(s) (threads other than pipe or hose series), specifically designed to retain, by means or groove(s), shoulder(s), and the like, packing and/or a packing gland within a stuffing box. See also bushing, machine thread; inverted nut, tube coupling; and nut, tube coupling. Excludes packing nut, stuffing tube; and use with electrical cable, and locknut, pipe.

4730-00-423-6549 Spec. NSN part characteristics

MRC
Name
Detail
MRC:
AAJD
Thread Class
2a and 2b
MRC:
AAJF
Thread Direction
Right-hand and right-hand
MRC:
AASA
Thread Length
0.281 inches and 0.500 inches
MRC:
AASG
Casehardening Indicator
Not casehardened
MRC:
ABHP
Overall Length
0.500 inches
MRC:
ABUJ
Thread Size
3/8in-24 and 3/16in-24
MRC:
AJYP
Screw Thread Series Designator
Unf and unf
MRC:
ASDB
Width Across Flats
0.437 inches
MRC:
BBMM
Screw Thread Location
External and internal
MRC:
BSPX
Smallest Inside Diameter
0.190 inches
MRC:
MATL
Material
Brass
MRC:
MATT
Material
Copper alloy
MRC:
STYL
Style Designator
Hexagon, external thread, boss

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:
23346
Cage Code:
08645
RNCC:
3
RNVC:
2
DAC:
1
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Inidicates part number has been superseded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:
18028
FIIG:
T385-E
Concept No.:
App. Key:
EA
Cond. Code:
2
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:
052185
NMF Description:
Or Pipe Or Tubing Fit Tubing Pipe
UFC:
29950
LTL:
Rating variable
LCL:
77.5
WCC:
576
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) 576

Metal and metal products, nos, (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)