The Cover,access, cataloged under National Stock Number 5340-01-121-1812, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-121-1812 |
| Primary Part Number | 9000-2100 PIECE 4 |
| Item Name | Cover,access |
| FSC / FSG | 5340 / 53 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | ACTIVE |
| Bolt Circle Hole Quantity | 4 |
| Material | NICKEL ALLOY |
| Peripheral Shape Style | ROUND, MULTI HOLES |
| Bolt Circle Diameter | 4.375 INCHES NOMINAL IN |
| Securing Device Type | THREADED FASTENER |
| Body Thickness | 0.438 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | FLAT |
| Features Provided | HANDLE FOR OPENING, LIFTING, CLOSING, OR THE LIKE |
| Outside Diameter | 5.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 9000-2100 PIECE 4 PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 9000-2100 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
NSN 5340-01-121-1812 is a Cover,access, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 5340 (No Item Name Available). Status: active.
NSN 5340-01-121-1812 has 2 cross-referenced part numbers: 9000-2100 PIECE 4 (Electric Boat Corporation Div General Dynamics Electric Boat), 9000-2100 (Electric Boat Corporation Div General Dynamics Electric Boat).
There are 3 known substitutes for 5340-01-121-1812: 4730-01-073-6203, 4730-01-074-9390, 5905-01-099-0762. Verify interchangeability with system specifications before substitution.
Key specifications for 9000-2100 PIECE 4: Bolt Circle Hole Quantity: 4; Material: NICKEL ALLOY; Peripheral Shape Style: ROUND, MULTI HOLES; Bolt Circle Diameter: 4.375 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.