Model: 21C439-020

Grooved Clamp Coupling

Properties:

Cross Sectional Shape

Grooved retainer

Inside Diameter

19.250 inches

Retainer Thickness

0.032 inches

Latch Style

Single

Included Angle In Deg

40.0

Nut Type

Self-locking hexagon

Segment Quantity

Sealing Inner Liner

Not included

Retainer Width

0.500 inches

Root Width

0.156 inches

Band Thickness

0.025 inches

Band Width

0.625 inches

Material And Location

Steel, corrosion resisting

Surface Treatment And Location

Passivated

Height

0.218 inches

Shape

Round

NSN

5342-00-931-8564

Part Number

21C439-020

Description

Coupling,clamp,grooved

CAGE

07482

A metal loop having either a v or u cross section or channelled segment(s). It may be attached to a flat band. It is designed to create a fluid tight joint and/or connect pipe, tubing, tank cover(s), duct(s) and the like, by mating with flanged or beaded ferrule(s), flared, or beaded ends. It may or may not have a sealing inner liner. A latch or latches of the quick coupling type, nut or bolt type, or threaded trunnion type is (are) used to lock and adjust the band. Excludes coupling, clamp, pipe and ring, locking, metal drum cover.

Part 21C439-020 NSN 5342-00-931-8564

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

20319

FIIG:

A25400

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:

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:

095190

UFC:

49790

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 9803200000
SITC: 93100
End Use: Military apparel and footwear
NAICS: 990000
USDA: 1

Freight Class: Military equipments not identified by kind