The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-176-2778, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Elliott Company Div Jeannette. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Elliott Company Div Jeannette (CAGE 72957) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-176-2778 |
| Primary Part Number | 44B3521-469A |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Elliott Company Div Jeannette |
| 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 |
|---|---|
| 44B3521-469A PRIMARY | Elliott Company Div Jeannette (USA) |
| Reference | Meaning |
|---|---|
| 44B3521-469A | C/1 Advisory reference — outside the item-of-supply concept Carrier Corp |
| 3329294 PIECE 16A21 | 5/2 Secondary reference U.S. Government activity |
| 44B3021-667D PIECE 16A21 | 5/9 Secondary reference Elliott Company Div Jeannette |
| 44B3021-667D | D/9 Drawing number reference only Elliott Company Div Jeannette |
NSN 5340-01-176-2778 is a Seat,helical Compression Spring, manufactured by Elliott Company Div Jeannette, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-176-2778 has 1 manufacturer part number on file: 44B3521-469A (Elliott Company Div Jeannette).
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.