Model: 4521-12-50-1C

Spring Tension Clip

Properties:

Hole Diameter

Between 0.068 inches and 0.074 inches

Width

Between 0.490 inches and 0.510 inches

Overall Height

0.240 inches

Material Thickness

Between 0.007 inches and 0.013 inches

Length

0.180 inches

Hole Quantity

Mounting Method

Unthreaded hole

Distance From Loop Center To End

Between 0.105 inches and 0.145 inches

Loop/holding Dimension

Between 0.105 inches and 0.135 inches

Material

Copper alloy 170 or copper alloy 172

Material Specification

Qq-c-533 federal specification all material responses

Surface Treatment

Cadmium or cadmium and chromate or cadmium and phosphate

Surface Treatment Specification

Qq-p-416 federal specification all treatment responses

Style Designator

Standoff

NSN

5340-01-206-5785

Part Number

4521-12-50-1C

Description

Clip,spring Tension

CAGE

86928

A preformed item of semirigid material designed to retain, position, fasten, or support other items, such as cable(s), access cover(s), by its own inherent spring action. It may be fastened to a structure by bolt(s), clip(s), screw(s), and the like. For items conducting electric current, see clip, electrical or clamp, electrical. For items which partially surround an item, see strap, retaining. For items which entirely surround an item and do not have inherent spring tension, see clamp, loop. See also clip, retaining. Do not use if a more specific item name is available.

Part 4521-12-50-1C NSN 5340-01-206-5785

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

20815

FIIG:

A03100

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:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7326908530
SITC: 69969
End Use: Finished metal shapes
NAICS: 332999
USDA: 1

Freight Class: Hangers and similar supports for tubes and pipes, of iron or steel