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NSN 1055-01-620-1316Government record, cited

Breech Mechanism1055-01-620-1316

NSN 1055-01-620-1316 · NIIN 016201316 · Part number 303AS855
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · FSC 1055 — Launchers, Rocket and Pyrotechnic · FSG 10 — Weapons · CAGE 30003
Government record, cited
NSN 1055-01-620-1316 — this item is cataloged by the U.S. Government under National Stock Number 1055-01-620-1316. Manufacturer of record part number: 303AS855.
Also searched as  1055-01-620-1316 · 1055016201316 · NIIN 016201316 · 01-620-1316 · FSC 1055 Launchers, Rocket and Pyrotechnic · CAGE 30003 · 303AS855
Nearby stock numbers  ·
Features
  • Breech Mechanism — FSC 1055
  • 1 manufacturer part number on file
  • Manufacturer of record: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Identification
  • NSN: 1055-01-620-1316
  • NIIN: 016201316
  • FSC: 1055 — Launchers, Rocket and Pyrotechnic
  • FSG: 10 — Weapons
  • Primary part number: 303AS855
  • Manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
General Description

The Breech Mechanism, cataloged under National Stock Number 1055-01-620-1316, is classified within Federal Supply Class 1055 (Launchers, Rocket and Pyrotechnic) of the Weapons group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1055-01-620-1316
Primary Part Number303AS855
Item NameBreech Mechanism
FSC / FSG1055 / 10 — Launchers, Rocket and Pyrotechnic
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL D — Destroy Item
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
303AS855 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
No interchangeability data on file.
Other items in FSC 1055 — Launchers, Rocket and Pyrotechnic
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1055-00-912-3125
1055-00-912-3125 · Item name not on file
1055-01-379-4821
CARRIAGE,HOIST
1055-01-399-1377
CASSETTE
1055-01-426-6911
SUPPORT,ROLLER,FLEX
1055-01-440-2165
1055-01-440-2165 · Item name not on file
1055-01-480-1276
SEAL,GARTER
1055-01-498-6563
1055-01-498-6563 · Item name not on file
1055-01-501-9518
ARMAMENT SUBSYSTEM,GROUND VEHICL

Frequently Asked Questions

What is NSN 1055-01-620-1316?

NSN 1055-01-620-1316 is a Breech Mechanism, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 1055, Launchers, Rocket and Pyrotechnic. Status: active.

What part numbers are listed for NSN 1055-01-620-1316?

NSN 1055-01-620-1316 has 1 manufacturer part number on file: 303AS855 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What are the specifications of 303AS855?

Key specifications for 303AS855: End Item Identification: F-18. 0 specifications are documented in the U.S. Government catalog.

Is NSN 1055-01-620-1316 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

What is the DEMIL code for NSN 1055-01-620-1316?

NSN 1055-01-620-1316 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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