Model: 2643-820-03 ITEM 49

Preformed Packing

Properties:

Cross Sectional Shape

O-ring

Cross Section Outside Diameter

Between 0.135 inches and 0.143 inches

Cross-sectional Height

Between 0.135 inches and 0.143 inches

Center Hole Diameter

Between 0.786 inches and 0.806 inches

Peripheral Diameter

1.074 inches

Elongation Percentage

125

Hardness Rating

75.0 shore durometer a

Criticality Code Justification

Zzzy

Material

Rubber fluorocarbon class fpm

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

5330-01-549-1833

Part Number

2643-820-03 ITEM 49

Description

Packing,preformed

CAGE

96169

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

Part 2643-820-03 ITEM 49 NSN 5330-01-549-1833

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04521

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:

999.9 X 999.9 X 999.9

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:

Trailers/Vehicles

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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