MS21937-4L

Packing Nut

NSN 4730-00-821-0189

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

100 EA

NIIN:

008210189

Product Technical Spec.

Thread Class:

Thread Direction:

Right-hand

Thread Length:

0.250 inches

Casehardening Indicator:

Not casehardened

Overall Length:

0.406 inches

Thread Size:

7/16in-20

Unthreaded Portion Length:

0.156 inches

Largest Inside Diameter:

0.562 inches

Screw Thread Series Designator:

Unf

Width Across Flats:

1.000 inches

Screw Thread Location:

Internal

Length To Shoulder:

0.344 inches

Major Unthreaded Outside Diameter:

0.687 inches

Material:

Aluminum alloy, qq-a-225/9, alloy 7075

Material:

Aluminum alloy 7075

Style Designator:

Hexagon, internal thread, shouldered

Specification Data:

81343-sae as21937 manufacturers standard

NSN:

4730-00-821-0189

Item Name:

Plug,tube,knock Off

Cage Code:

R1120

Cross Referenced Parts

Part Number

Cage

RNCC

RNVC

RNAAC

Status

MSDS

SADC

Part Number:

AS21937

Cage Code:

81343

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

AS18280

Cage Code:

81343

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS21937-4L

Cage Code:

03647

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS21937-4L

Cage Code:

14397

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS21937-4L

Cage Code:

01276

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS21937W4L

Cage Code:

81343

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS21937-4L

Cage Code:

00624

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS21937-4L

Cage Code:

45681

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS21937-4L

Cage Code:

50948

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS21937-4L

Cage Code:

17439

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS21937-4L

Cage Code:

96906

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

105-01495

Cage Code:

79470

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

MS21937-4L

Cage Code:

71563

RNCC:

RNVC:

RNAAC:

Status:

MSDS:

SADC:

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

18028

FIIG:

T385-E

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093470

UFC:

48940

LTL:

70.0

LCL:

WCC:

573

TCC:

SHC:

ACC:

Construction Materials

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100% Genuine Manufacturers Parts
Every Product thoroughly Inspected
Sales Record Retention of 7 years
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Pricing & Availability

Submit this form for current pricing and availability quote on part number ms21937-4l and/or cross reference parts.

Definition Definition of approved item name (AIN): "Knock Off Tube Plug"

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.