The Rod,baffle Extension, cataloged under National Stock Number 4921-01-565-3578, is classified within Federal Supply Class 4921 (Torpedo Maintenance, Repair, and Checkout Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4921-01-565-3578 |
| Primary Part Number | SA 7137863 |
| Item Name | Rod,baffle Extension |
| FSC / FSG | 4921 / 49 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Accessory Components and Quantity | DOWEL PIN 2; SOCKET 1; HEX STOCK 1; C1010 - C1020 1 |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SA 7137863 PRIMARY | Naval Sea Systems Command (USA) |
NSN 4921-01-565-3578 is a Rod,baffle Extension, manufactured by Naval Sea Systems Command, classified under FSC 4921, Torpedo Maintenance, Repair, and Checkout Specialized Equipment. Status: active.
NSN 4921-01-565-3578 has 1 manufacturer part number on file: SA 7137863 (Naval Sea Systems Command).
Key specifications for SA 7137863: Accessory Components and Quantity: DOWEL PIN 2; SOCKET 1; HEX STOCK 1; C1010 - C1020 1; Special Features: PROGRAM, MK 48 TORPEDO; FIRST DOWEL PIN, 0.16 DIA X 0.437 INCHES LG; SECOND DOWEL PIN, 0.16 DIA X 0.562 INCHES LG; SOCKET, 0.375 HEX, 0.375 SQ DRIVE; HEX STOCK 0.25 X 4.125 INCHES LG; C1010-C1020, 0.437 DIA X 34.25 INCHES LG; BREAK SHARP EDGES 0.0156 TO 0.03125; COAT AREA WITH A PLASTIC DIP COATINGCOLOR OPTIONAL IN; Part Name Assigned by Controlling Agency: MK 48 FUEL TANK CENTER BAFFLE EXTENSION ROD; Material: STEEL. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.