The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-149-2026, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-149-2026 |
| Primary Part Number | 74A733599-2003 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| FSC Application Data | GUIDED MISSILE LAUNCHER,74A730351-1003 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 3929AS774-2 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 74A733599-2003 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10112772 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A733599-2003 | 5/9 Secondary reference U.S. Government activity |
| 74A733599-2003 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company |
NSN 5340-01-149-2026 is a Seat,helical Compression Spring, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-149-2026 has 2 manufacturer part numbers on file: 3929AS774-2 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 74A733599-2003 (The Boeing Company Div Defense).
Key specifications for 74A733599-2003: FSC Application Data: GUIDED MISSILE LAUNCHER,74A730351-1003. 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.