The Test Plug,exploder Well, cataloged under National Stock Number 4921-01-209-5763, 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 1 specification, 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 | 4921-01-209-5763 |
| Primary Part Number | 5268672 |
| Item Name | Test Plug,exploder Well |
| FSC / FSG | 4921 / 49 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL ALUMINUM ALLOY QQ-A-22518 6061 T6,ANODIZE PER MIL-A-8625 TY 3 CL 1,DIA OUTSIDE 3.375 IN.,FLATTENED TWO SIDES,DISTANCE ACROSS FLATS 3.000 IN.,THICKNESS 1.000 IN.,TAP DRILLTHRU CENTER 0.250-18 NPT,CSK 90.0 DEG TO 0.688 IN. FARSIDE,TAP DRILL 0.138-32 UNC-2B X 0.380 DP MIN IN FLAT EDGE,TAP DRILL 0.138-32 UNC-2B THRU,0.188 CBORE FAR SIDE 2 HOLES 180 DEG APART ON 3.050 BOLT HOLE CIRCLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5268672 PRIMARY | Naval Sea Systems Command (USA) |
NSN 4921-01-209-5763 is a Test Plug,exploder Well, manufactured by Naval Sea Systems Command, classified under FSC 4921, Torpedo Maintenance, Repair, and Checkout Specialized Equipment. Status: active.
NSN 4921-01-209-5763 has 1 manufacturer part number on file: 5268672 (Naval Sea Systems Command).
Key specifications for 5268672: General Characteristics Item Description: MATERIAL ALUMINUM ALLOY QQ-A-22518 6061 T6,ANODIZE PER MIL-A-8625 TY 3 CL 1,DIA OUTSIDE 3.375 IN.,FLATTENED TWO SIDES,DISTANCE ACROSS FLATS 3.000 IN.,THICKNESS 1.000 IN.,TAP DRILLTHRU CENTER 0.250-18 NPT,CSK 90.0 DEG TO 0.688 IN. FARSIDE,TAP DRILL 0.138-32 UNC-2B X 0.380 DP MIN IN FLAT EDGE,TAP DRILL 0.138-32 UNC-2B THRU,0.188 CBORE FAR SIDE 2 HOLES 180 DEG APART ON 3.050 BOLT HOLE CIRCLE IN. 1 specification is 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.
NSN 4921-01-209-5763 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.