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FSC 4730 | Railing Fittings Lubrication Tube Pipe Hose
MS21921-10D

Model: MS21921-10D

Tube Coupling Nut

Properties:

Thread Class

Thread Direction

Right-hand

Fabrication Method

Any acceptable

Nut Style

Tube coupling

Nut Height

Between 0.970 inches and 0.990 inches

End Application

Ch-47 helicopter

Width Across Flats

1.000 inches

Length To Shoulder

Between 0.677 inches and 0.697 inches

Smallest Inside Diameter

Between 0.690 inches and 0.695 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.875 inches

Tube Outside Diameter

0.625 inches

Seat Angle

45.00 degrees

Material

Aluminum alloy

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625, type 2 military specification single treatment response

NSN

4730-00-555-8204

Part Number

MS21921-10D

Description

Nut,tube Coupling

CAGE

96906

An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes nut (1), tube coupling, reducing; and nut (1), union.

Part MS21921-10D NSN 4730-00-555-8204

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

03859

FIIG:

A021A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

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:

0.2000lbs

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:

013540

UFC:

05680

LTL:

70.0

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 4730-00-555-8204 is a component of

Ch-47 Helicopter
Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
Mh-53e Helicopter
Ah-1w Advance Attack Helicopter
Los Angeles Class Ssn (688)
B-2 Bomber (atb) Aircraft
Seawolf Class Ssn
Ah-64-d Longbow
U-2 Airframe
Submarine Atmosphere Control And Compressed Air/gas
Co/h2 Burner And Co2 Removal Systems
Ah 64 Airframe (rotary Wing Aircraft)
011069519
Attack Helicopter
011069519
Attack Helicopter
011684260
Attack Helicopter
011069519
Attack Helicopter
011069519
Attack Helicopter
011922478
Attack Helicopter
011684259
Attack Helicopter

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Schedule B and Export

Schedule B: 7609000000
SITC: 68427
End Use: Finished metal shapes
NAICS: 332919
USDA: 1

Freight Class: Aluminum tube or pipe fittings (couplings,elbows sleeves)