Product Details | OBTURATOR RING

1025-01-527-8508 A metallic or nonmetallic circular item specifically designed to be placed at the breech-block end of a gun barrel chamber for sealing against powder gases. It is also used to seal against powder gases between a projectile and the gun barrel.21110100026Guns, over 30mm up to 75mm10150024Guns, 75mm through 125mm10200030Guns, over 125mm through 150mm10250030Guns, over 150mm through 200mm10300030Guns, over 200mm through 300mm10350016Guns, over 300mm10900065Assemblies Interchangeable Between Weapons in Two or More Classes10950021Miscellaneous Weapons13100032Ammunition, over 30mm up to 75mm13150030Ammunition, 75mm through 125mm13200022Ammunition, over 125mm

Part Alternates: 11581677, 1645/1, 16451, 1025-01-527-8508, 01-527-8508, 1025015278508, 015278508

Weapons | Guns, over 150mm through 200mm

Supply Group (FSG) NSN Assign. NIIN
10 18-FEB-05 01-527-8508

Demand History | NSN 1025-01-527-8508

Part Number Request Date QTY Origin
1025-01-527-8508 2014-01-21 12 US
1025-01-527-8508 2013-01-05 50 US

Cross Reference | NSN 1025-01-527-8508

Part Number Cage Code Manufacturer
11581020 1NUW7 US ARMY BENET LABORATORIES RDAR-WSB-O
1663 K2812 BELDAM CROSSLEY LTD

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Technical Data | NSN 1025-01-527-8508

Characteristic Specifications
III END ITEM IDENTIFICATION 1025-99-411-1447 M777E1 155MM HOWITZER
III PART NAME ASSIGNED BY CONTROLLING AGENCY OBTURATOR PAD
MANUFACTURERS CODE 1NUW7
MFR SOURCE CONTROLLING REFERENCE 11581677

Restrictions/Controls & Freight Information | NSN 1025-01-527-8508

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information