NSN 1035-01-313-2512 · NIIN 013132512 · Part number 99148GROUP90
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · FSC 1035 — Guns, Over 300mm · FSG 10 — Weapons · CAGE 10001
Government record, cited
NSN 1035-01-313-2512 — this item is cataloged by the U.S. Government under National Stock Number 1035-01-313-2512. Manufacturer of record part number: 99148GROUP90.
Also searched as1035-01-313-2512 ·
1035013132512 ·
NIIN 013132512 ·
01-313-2512 ·
FSC 1035 Guns, Over 300mm · CAGE 10001 · 99148GROUP90
Nearby stock numbers← 1035-01-310-1806 Sleeve and Valve As
·
1035-01-315-5962 Plunger →
Features
Breech Mechanism — FSC 1035
1 manufacturer part number on file
Manufacturer of record: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Identification
NSN: 1035-01-313-2512
NIIN: 013132512
FSC: 1035 — Guns, Over 300mm
FSG: 10 — Weapons
Primary part number: 99148GROUP90
Manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
General Description
The Breech Mechanism, cataloged under National Stock Number 1035-01-313-2512, is classified within Federal Supply Class 1035 (Guns, Over 300mm) of the Weapons group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg 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
Parameter
Value
NSN
1035-01-313-2512
Primary Part Number
99148GROUP90
Item Name
Breech Mechanism
FSC / FSG
1035 / 10 — Guns, Over 300mm
Manufacturer
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
No interchangeability data on file.
Other items in FSC 1035 — Guns, Over 300mm
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1035-01-318-7389
BLOCK,LIFTING
1035-01-451-3534
BREECH MECHANISM
1035-01-473-6947
BREECH MECHANISM
1035-01-475-1978
BREECH MECHANISM
1035-01-475-1983
BREECH MECHANISM
1035-01-696-5547
SUPPRESSOR,FLASH
1035-01-696-5559
SUPPRESSOR,FLASH
1035-01-696-7515
SUPPRESSOR,FLASH
Frequently Asked Questions
What is NSN 1035-01-313-2512?
NSN 1035-01-313-2512 is a Breech Mechanism, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1035, Guns, Over 300mm. Status: active.
What part numbers are listed for NSN 1035-01-313-2512?
NSN 1035-01-313-2512 has 1 manufacturer part number on file: 99148GROUP90 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
What are the specifications of 99148GROUP90?
Key specifications for 99148GROUP90: End Item Identification: MK4MOD1,MECHANISM,BREECH 16 INCH IN. 0 specifications are documented in the U.S. Government catalog.
Is NSN 1035-01-313-2512 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 1035-01-313-2512?
NSN 1035-01-313-2512 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.