Model: 2643-670-01-38

Packing Retainer

Properties:

Cross Sectional Shape

Square

Cross-sectional Thickness

Between 0.031 inches and 0.036 inches

Cross-sectional Height

Between 0.093 inches and 0.108 inches

Distance Between Ends

Between 0.062 inches and 0.188 inches

Center Hole Diameter

1.500 inches

Peripheral Diameter

1.870 inches

End Application

Valve, ball, 2.500 ips

Joint Type

Scarf-butt retainer

Angle

Between 25.0 degrees and 35.0 degrees

Criticality Code Justification

Zzzy

Material

Plastic polytetrafluoroethylene

Material Specification

Sae-as8791 national specification single material response

Departure From Cited Document

Cleaning, packaging, and marking iaw mil-std-1330d

Reference Number Differentiating Characteristics

Cleaning, packaging, and marking iaw mil-std-1330d.

NSN

5330-01-549-4741

Part Number

2643-670-01-38

Description

Retainer,packing

CAGE

96169

An item designed to fit over a packing gland by mating with a surface of a second part which together will retain into a narrow groove or confined space the packing, preformed or o-ring, or an item designed to fit over a rod or shaft, to mate with a stuffing box to confine packing material. It may function as a static or dynamic seal retainer with the packing located on, around, or in the centerline direction of the rod or shaft axis. It may have holes or joints for mounting, be threaded or unthreaded. See also packing nut and packing nut, stuffing tube.

Part 2643-670-01-38 NSN 5330-01-549-4741

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

13706

FIIG:

A032A0

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:

194120

UFC:

95100

LTL:

RATING VARIABLE

LCL:

WCC:

596

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 3926904500
SITC: 89399
End Use: Other industrial supplies
NAICS: 339991
USDA: 1

Freight Class: Gaskets,washers & other seals