Model: 5100-28-S-MD

Retaining Ring

Properties:

Cross Sectional Shape

Rectangular

Inside Diameter

Between 0.251 inches and 0.258 inches

Casehardening Indicator

Not casehardened

Major Thickness

Between 0.023 inches and 0.027 inches

Ring Style

External

Usage Design

External

Material Hardness Rating

Between 69.5 rockwell superficial 30-n and 73.0 rockwell superficial 30-n

Material

Steel, federal standard 66, comp 1066 or steel, federal standard 66, comp 1069 or steel, federal standard 66, comp 1070 or steel, federal standard 66, comp 1072 or steel, federal standard 66, comp 1074 or steel, federal standard 66, comp 1075 or steel, federal standard 66, comp 1078 or steel, federal standard 66, comp 1080 or steel, federal standard 66, comp 1084 or steel, federal standard 66, comp 1085 or steel, federal standard 66, comp 1086 or steel, federal standard 66, comp 1090

Material

Steel comp 1566 or steel, federal standard 66, comp 1069 or steel comp 1070 or steel comp 1572 or steel comp 1074 or steel comp 1075 or steel comp 1078 or steel comp 1080 or steel comp 1070 or steel comp 1085 or steel comp 1086 or steel comp 1090

Material Specification

Fed standard 66, comp 1066 federal standard 1st material response and federal standard 66, comp 1070 federal standard 3rd material response and federal standard 66, comp 1072 federal standard 4th material response and federal standard 66, comp 1074 federal standard 5th material response and federal standard 66, comp 1075 federal standard 6th material response and federal standard 66, comp 1078 federal standard 7th material response and federal standard 66, comp 1080 federal standard 8th material response and federal standard 66, comp 1084 federal standard 9th material response and federal standard 66, comp 1085 federal standard 10th material response and federal standard 66, comp 1086 federal standard 11th material response and federal standard 66, comp 1090 federal standard 12th material response

Surface Treatment

Cadmium and chromate or cadmium and chromate

Surface Treatment

Cadmium, qq-p-416, type 2, class 3 or cadmium, mil-c-81562, type 2, cl 3

NSN

5325-00-803-6227

Part Number

5100-28-S-MD

Description

Ring,retaining

CAGE

79136

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes ring, connecting, round.

Part 5100-28-S-MD NSN 5325-00-803-6227

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

07623

FIIG:

T252-G

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:

0.1000lbs

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: 9606100000
SITC: 89983
End Use: Finished textile supplies
NAICS: 339993
USDA: 1

Freight Class: Press-fasteners, snap-fasteners & press-studs & parts therefor