The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-196-0176, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Msi-Defence Systems Ltd. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Msi-Defence Systems Ltd (CAGE U7384); Morse Diving, Inc. (CAGE 41620); Midland Diving Equipment Limited (CAGE K8011) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-196-0176 |
| Primary Part Number | DP11211 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Msi-Defence Systems Ltd |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| DP11211 | Msi-Defence Systems Ltd (GBR) |
| 8802-26 | Morse Diving, Inc. (USA) |
| DP112 11 | Midland Diving Equipment Limited (GBR) |
| Reference | Meaning |
|---|---|
| 1053-24 | 3/2 Design control — primary reference U.S. Government activity |
| 1053-24 | C/1 Advisory reference — outside the item-of-supply concept Mar-Vel International, Inc. Dba Mar-Vel Underwater Equip |
NSN 5340-01-196-0176 is a Seat,helical Compression Spring, manufactured by Msi-Defence Systems Ltd, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-196-0176 has 3 manufacturer part numbers on file: DP11211 (Msi-Defence Systems Ltd), 8802-26 (Morse Diving, Inc.), DP112 11 (Midland Diving Equipment Limited).
1 possible match (shared part number, not a government interchangeability claim): 1730-01-656-9878. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). 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.