The Holder,spring, cataloged under National Stock Number 5340-01-488-6253, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Defense Maritime Solutions, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-488-6253 |
| Primary Part Number | H42783-3-1 |
| Item Name | Holder,spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Defense Maritime Solutions, Inc. |
| Status | ACTIVE |
| Material | NICKEL ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| H42783-3-1 PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| H42783-3-1 | 5/9 Secondary reference Wartsila Lips Inc |
NSN 5340-01-488-6253 is a Holder,spring, manufactured by Defense Maritime Solutions, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-488-6253 has 1 manufacturer part number on file: H42783-3-1 (Defense Maritime Solutions, Inc.).
Key specifications for H42783-3-1: Special Features: SUPPORT SPRING ASSEMBLY; MONEL; End Item Identification: BELLOWS ASSY. H42783-3 FOR GA OF 317 12.500 IN. TYPE MH SEAL FOR H.M.C.S. QUEST IN; Material: NICKEL ALLOY. 1 specification is documented in the U.S. Government catalog.
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.