PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2164Tube,breech,actuating and Lockin

Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc · NSN 1377-00-739-8852 · FSC 1377 · No Item Name Available
Verified by PartsTable
NSN 1377-00-739-8852 — this item is cataloged by the U.S. Government under National Stock Number 1377-00-739-8852. Primary manufacturer part number: 2164.
Features
  • Tube,breech,actuating and Lockin — FSC 1377
  • Package Nominal Overall Length and Type: 48.01 INCHES PALLET, US NAVY IN
  • Package Nominal Overall Length and Type: 48.00 INCHES SHIPPING CONTAINER IN
  • Gross Weight: 84.9 SHIPPING CONTAINER POUNDS AND 25049.0 PALLET POUNDS
  • Package Nominal Overall Height and Type: 21.50 INCHES SHIPPING CONTAINER IN
  • Package Nominal Overall Width and Type: 520.50 INCHES PALLET, US NAVY IN
  • Unable to Decode: UNABLE TO DECODE
  • Overall Diameter: 7.750 INCHES NOMINAL IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Tube,breech,actuating and Lockin, cataloged under National Stock Number 1377-00-739-8852, is classified within Federal Supply Class 1377 (No Item Name Available) of the Ammunition and Explosives group. The primary manufacturer of record is Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1377-00-739-8852
Primary Part Number2164
Item NameTube,breech,actuating and Lockin
FSC / FSG1377 / 13 — No Item Name Available
ManufacturerNammo Defense Systems Inc. Dba Nammo Defense Systems Inc
StatusACTIVE
Package Nominal Overall Length and Type48.01 INCHES PALLET, US NAVY IN
Package Nominal Overall Length and Type48.00 INCHES SHIPPING CONTAINER IN
Gross Weight84.9 SHIPPING CONTAINER POUNDS AND 25049.0 PALLET POUNDS
Package Nominal Overall Height and Type21.50 INCHES SHIPPING CONTAINER IN
Package Nominal Overall Width and Type520.50 INCHES PALLET, US NAVY IN
Unable to DecodeUNABLE TO DECODE
Overall Diameter7.750 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Package Nominal Overall Width and Type20.50 INCHES SHIPPING CONTAINER IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-229-56122164 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Cinch Connectivity Solutions Inc.
5120-00-256-0651216-4 INTERCHANGEABLE
Punch and Die,grommet Inserting
C. S. Osborne and Company Dba Cs Osborne & Co
6145-00-284-0866 INTERCHANGEABLE
Braid,wire
4820-00-287-4606 INTERCHANGEABLE
Valve,angle
5310-00-350-40552-164 INTERCHANGEABLE
Nut,plain,hexagon
Unison Industries Llc
5331-00-449-24712-164 C1124-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5950-00-615-4525RD24298-1 INTERCHANGEABLE
Transformer,power
Raytheon Company
5310-00-634-91202164 INTERCHANGEABLE
Washer,flat
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
1680-00-737-93902164 INTERCHANGEABLE
Lever,swivel Contro
B/e Aerospace Inc Dba Interturbine
6685-00-986-21232164 INTERCHANGEABLE
Case Assembly
Aerosonic Llc
Cross-Reference Index
Part NumberManufacturer
2164 PRIMARY Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc (USA)
25-66922-1 The Boeing Company Div Defense (USA)
Related Parts
5935-00-229-5612INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
2164
5120-00-256-0651INTERCHANGEABLE
PUNCH AND DIE,GROMMET INSERTING
216-4
6145-00-284-0866INTERCHANGEABLE
BRAID,WIRE
4820-00-287-4606INTERCHANGEABLE
VALVE,ANGLE
5310-00-350-4055INTERCHANGEABLE
NUT,PLAIN,HEXAGON
2-164
5331-00-449-2471INTERCHANGEABLE
O-RING
2-164 C1124-70
5950-00-615-4525INTERCHANGEABLE
TRANSFORMER,POWER
RD24298-1
5310-00-634-9120INTERCHANGEABLE
WASHER,FLAT
2164
1680-00-737-9390INTERCHANGEABLE
LEVER,SWIVEL CONTRO
2164
6685-00-986-2123INTERCHANGEABLE
CASE ASSEMBLY
2164
5360-01-076-6661INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5355-01-179-2195INTERCHANGEABLE
KNOB
2164

Frequently Asked Questions

What is NSN 1377-00-739-8852?

NSN 1377-00-739-8852 is a Tube,breech,actuating and Lockin, manufactured by Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc, classified under FSC 1377 (No Item Name Available). Status: active.

What are the part numbers for NSN 1377-00-739-8852?

NSN 1377-00-739-8852 has 2 cross-referenced part numbers: 2164 (Nammo Defense Systems Inc. Dba Nammo Defense Systems Inc), 25-66922-1 (The Boeing Company Div Defense).

What NSN replaces 1377-00-739-8852?

There are 12 known substitutes for 1377-00-739-8852: 5935-00-229-5612, 5120-00-256-0651, 6145-00-284-0866 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2164?

Key specifications for 2164: Package Nominal Overall Length and Type: 48.01 INCHES PALLET, US NAVY IN; Package Nominal Overall Length and Type: 48.00 INCHES SHIPPING CONTAINER IN; Gross Weight: 84.9 SHIPPING CONTAINER POUNDS AND 25049.0 PALLET POUNDS; Package Nominal Overall Height and Type: 21.50 INCHES SHIPPING CONTAINER IN. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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