Model: 57B851-12

Metal Seal Ring

Properties:

Cross Sectional Shape

Plain rectangular, straight face

Inside Diameter

Between 6.731 inches and 6.734 inches

Ring Style

Contracting concentric

Radial Wall Thickness

Between 1.4910 inches and 1.4940 inches

Overall Width

Between 0.7480 inches and 0.7500 inches

Joint Style

Vertical joint

Metallic Hardness Rating

50.0 rockwell a

Material

Nickel alloy

Material Specification

B11g21a, 03502 mfr ref single material response

NSN

5330-01-382-7422

Part Number

57B851-12

Description

Seal Ring,metal

CAGE

03502

A circular shaped item designed to be installed in a specially prepared groove or counterbore to provide a low pressure seal. It may be supplied in various cross-sectional shapes and is cut through at one point to allow for installation and fitting. Excludes items whose primary function is to provide sealing, wiping, or wearing surface capabilities for piston configurations. See also ring, piston and ring, wiper.

Part 57B851-12 NSN 5330-01-382-7422

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

21205

FIIG:

A08400

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

136500

UFC:

68455

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