Washer Insulator

ST21D21-2

(NSN) National Stock Number

5970-00-133-4840

Federal Supply Classification

5970 Electrical Insulators and Insulating Materials

Item Name Code

18294

Schedule B Code

8546900000

Summary

0.193 inches minimum and 0.213 inches maximum inside diameter, 0.547 inches minimum and 0.577 inches maximum outside diameter, 0.002 inches nominal overall height, heat resistant environmental protection, overall plastic, polyimide, mil-p-46112, type 1 material and location, round, flat style designator

DAC	HCC	DMIL	RNCC
A	-	-	5

RNVC	SADC	MSDS	RNAAC
9	-	-	CX

Identification

An insulator that is essentially thin and flat, with one through hole centrally located. The general shape may vary by the addition of features such as beveled edges, indented surfaces, through hole keys, and/or peripheral flats. The thickness measured between the two parallel bearing surfaces must not exceed 25 percent of the outside diameter or the shortest distance between peripheral flats. The thickness measured between the two parallel bearing surfaces must not exceed 25 percent of the outside diameter or the shortest distance between peripheral flats. Excludes:items with more than one hole. See also insulator, disk; insulator, bead; insulator, bushing; and insulator, plate

INC	FIIG	Concept	Condition
18294	A007A0	1	1

Specifications

Inside Diameter

0.193 inches minimum and 0.213 inches maximum

Details

The length of a straight line which passes through the center of a circular figure or body,and terminates at the inside circumference.

Outside Diameter

0.547 inches minimum and 0.577 inches maximum

Details

The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.

Overall Height

0.002 inches nominal

Details

The distance measured in a straight line from the bottom to the top of an item.

Environmental Protection

heat resistant

Details

The environmental elements or conditions that an item is designed or protected to resist or withstand satisfactorily.

Material And Location

overall plastic, polyimide, mil-p-46112, type 1

Details

The element,compound,or mixture of which the item is fabricated,excluding any surface treatment,and its location. please use mrc malc in place of this discontinued mrc.

Style Designator

round, flat

Details

The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

Master-Cross Reference List

Part	CAGE	DAC	HCC	RNCC	RNVC	MSDS	RNAAC
10134081	A486G	9	-	6	9	-	WF
270-001-250	C3141	3	-	5	2	-	ZG
10201-10	C7407	3	-	5	9	-	ZG
43-02-10	C7407	3	-	5	9	-	ZG
270-001-250	A1997	3	-	5	2	-	ZG
5970PL1346231	9009H	9	-	6	9	-	WP
988345-1	82577	1	-	5	1	-	KE
T511005518	36090	5	-	5	1	-	CX
ST21D21	04236	A	-	5	9	-	CX
3180099-18	10001	A	-	5	9	-	CX
A421-1	86928	1	-	5	1	-	CX
10479-1	20284	5	-	5	1	-	48
10479-1	12909	5	-	5	9	-	48
M38527/08-076P	59885	A	-	5	1	-	CX
C10219-0001	60678	A	-	5	9	-	CX
C10219-0001	04274	5	-	5	9	-	CX
G57PA	12464	1	-	5	9	-	CX
G57PA001	12464	1	-	5	9	-	CX
11732722	19200	1	-	5	1	-	BF
11739834-1	19200	1	-	5	1	-	CX
G140-050-014	88818	6	-	5	1	-	CX
71502-1	20950	A	-	C	1	-	ZZ
71502-1	98675	A	-	5	9	-	CX
10518-1P	07047	4	-	5	9	-	CX
352-9605-050	95105	5	-	5	1	-	CX
10201-10	13103	1	-	5	9	-	CX
12146	13103	5	-	5	9	-	CX
43-02-10	13103	1	-	5	9	-	CX
43-02-10	12175	5	-	5	9	-	CX
M38526/1-102	81349	4	-	E	8	-	CX
M38527/08-076P	81349	4	-	5	9	-	CX
M38527/8-76P	81349	4	-	5	9	-	CX
M49466/01-074P	81349	4	-	2	2	-	ZZ
MIL-I-38526/1	81349	4	-	E	8	-	CX
MIL-I-49466/1	81349	4	-	4	1	-	ZZ
MIL-M-38527/8	81349	4	-	5	9	-	CX

Material and Special Handling

Hazardous material, precious metals, criticality, and electrostatic discharge indicators.

HMIC	PMIC	ESD/EMI	Criticality
P	A	-	-

Freight

Universal / National Freight and Handling Information

UFC	HMC	LTL	LCL
53360	-	W	-

RVC	WCC	TCC	SHC
-	72D	Z	9

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

Genuine Manufacturers Parts
100% Product Inspection
7 Year Sales Record Retention
Fast On-Time Delivery
HAZMAT Certified
Global Shipping

Manufacturer

LOCKHEED MARTIN CORP

CAGE: 04236

LITTLETON , CO , 80125-8504

UNITED STATES

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FAQs

Frequently asked questions for NSN 5970-00-133-4840

What is the NIIN of the NSN 5970-00-133-4840?

The National Item Identification Number (NIIN) of the NSN 5970-00-133-4840 is 00-133-4840

When the NSN 5970-00-133-4840 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Thu, Dec 26, 1968

Does the NSN 5970-00-133-4840 contain any precious metals?

Does not contain precious metal

Does the NSN 5970-00-133-4840 contain any hazardous material?

No information in HMIRS

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