Breech Mechanism NSN 1025-01-358-5640

Item Description

A group of items that function to open and close the breech. It may include a semiautomatic drop block, case extraction, and electric firing. It may provide manual and/or automatic opening of a breech, ejection of spent cartridge case, and automatic closing when chambering the next round.

NSN: 1025-01-358-5640

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Features and Characteristics

End Application

M109 howitzer family

General Description

Consists of: breech block assembly, p/n8769366; housing assembly, p/n 8768717; blockassy, p/n 11577710; carrier assembly, p/n 8769944; spindle assembly, p/n 11578394 or p/n 11579663; crank assembly, p/n 8768784; handleassy, p/n 8768762; rack, p/n 8767202; stop, p/n 8767125; right catch, p/n 8768713; detent, p/n 8768730; sleeve, p/n 8768711; right plunger, p/n 8768707; disc, p/n 8768709; left plunger, p/n 8768706; left catch, p/n 8768712; plate, p/n 8769155; stop, p/n 11578049; plunger, p/n 7307279; detent, p/n 8768708; cam, p/n 8768782; adjustor, p/n 11578057; breech ring body, p/n 8768772; front split ring, p/n 8767139; pad, p/n 11578862; inner ring, p/n 8767188; rear split ring, p/n 8767140; disc, p/n 8767117; gear, p/n 8767118; expansion plug, p/n ms35648-18; springs, p/ns 8768710, 7308001, 8768769, 8768768, 11577983, 8768854; screws, p/ns ms16998-72, ms16998-43, 11579793; washers, p/ns ms35333-42, ms35333-40, ms35336-39; pins, p/ns ms16555-66, 8767095; nut, p/n 8768716

FSC

1025 Over 150mm Through 200mm Guns

NIIN

013585640

NSN

1025013585640

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

8768727

Cage Code:

19206

Status:

MSDS:

Part Number:

1025013585640

Cage Code:

A00AM

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 9305913010
NAICS: 332994
SITC: 89199
Description: Parts and accessories of military artillery weapons of 9301.11 or 9301.19
End Use (Code 50050):
Tanks, artillery, missiles, rockets, guns and ammunition

Q & A

Frequently asked questions for NSN 1025-01-358-5640

What are the manufacturers of nsn 1025013585640?

Army, United States Department Of (19206)
E.c.a Etablissement Central (A00AM)

Does this nsn 1025013585640 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 1025013585640
A group of items that function to open and close the breech. it may include a semiautomatic drop block, case extraction, and electric firing. it may provide manual and/or automatic opening of a breech, ejection of spent cartridge case, and automatic closing when chambering the next round.

Does nsn 1025013585640 contain any precious metals?
No precious metal content.

Does nsn 1025013585640 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 1025013585640?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

35283

FIIG:

A23900

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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