The Cylinder,dash Pot, cataloged under National Stock Number 2040-01-138-2155, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine 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 | 2040-01-138-2155 |
| Primary Part Number | 522-4674924 ITEM 2 |
| Item Name | Cylinder,dash Pot |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | NICKEL COPPER ALLOY QQ-N-281 CLASS B FORM 1,2.747 IN. DIA,3.810 IN. LG,0.780 IN. THRU HOLE WITH 2.120 IN. DIA BY 1.250 IN. DEEP COUNTERBORE,THREE 0.440 IN. DIA HOLES EQUALLY SPACED ON OPPOSITE END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 522-4674924 ITEM 2 PRIMARY | Naval Sea Systems Command (USA) |
NSN 2040-01-138-2155 is a Cylinder,dash Pot, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-138-2155 has 1 manufacturer part number on file: 522-4674924 ITEM 2 (Naval Sea Systems Command).
Key specifications for 522-4674924 ITEM 2: General Characteristics Item Description: NICKEL COPPER ALLOY QQ-N-281 CLASS B FORM 1,2.747 IN. DIA,3.810 IN. LG,0.780 IN. THRU HOLE WITH 2.120 IN. DIA BY 1.250 IN. DEEP COUNTERBORE,THREE 0.440 IN. DIA HOLES EQUALLY SPACED ON OPPOSITE END 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 2040-01-138-2155 has DEMIL Code Q. 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.