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Breech Mechanism

NSN: 1025-01-358-5640 | Model: 8768727
ITAR Registered seal

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 Properties and Flags
NATO Stock Number
1025-01-358-5640
DEMIL
Yes - ITAR Controlled (Code D)
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

Pricing and Availability

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NSN 1025-01-358-5640 Datasheet

Supply Class (FSC):
Over 150mm Through 200mm Guns
Cross Reference:
  • 8768727
  • 1025013585640
Cage Codes:
  • Army, United States Department Of (CAGE 19206)
  • E.c.a Etablissement Central (CAGE A00AM)
Schedule B & Trade:
  • Schedule B: 9305913010 (NAICS 332994)

    Parts and accessories of military artillery weapons of 9301.11 or 9301.19

  • SITC: 89199

    Parts and accessories, n.E.S. Of military weapons (other than revolvers a nd pistols) and nonmilitary arms (other than firearms and sidearms)

  • End Use: 50050

    Tanks, artillery, missiles, rockets, guns and ammunition

Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

ADPE

- Represents items with no adp components

CRITL

- The item does not have a critical feature such as tolerance, fit restrictions or application. nuclear hardness properties have not been determined (not valid for input).

Freight Information:
  • NMFC:

    133300 - Machinery/machines noi sub4

  • WCC:

    685 - Weapon parts, other than small arms

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater

  • LCL:

    S - 60.0

  • LTL:

    S - 60.0

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    B14
  • AAC
    B
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    7
  • MGMT_CTL
    Mh1kfn-
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $29,542.50 to $49,237.50..
Does NSN 1025-01-358-5640 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Austria, Morocco, Belgium, Canada, and Denmark
What is the NIIN of NSN 1025-01-358-5640?
013585640 or 01-358-5640
Does NSN 1025-01-358-5640 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 1025-01-358-5640?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
May 16, 1992