The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-761-7461, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems. Government technical data includes 7 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-761-7461 |
| Primary Part Number | 028291 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems |
| Status | ACTIVE |
| First Step Diameter | 1.3750 INCHES NOMINAL IN |
| End Diameter | 0.9850 INCHES NOMINAL IN |
| Distance From End to First Step | 0.3250 INCHES NOMINAL IN |
| Design Type | SPLIT |
| Style Designator | SEAT |
| Bore Diameter | 0.8600 INCHES NOMINAL IN |
| Material | PLASTIC POLYAMIDE NYLON |
| 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 |
|---|---|
| 028291 | Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems (USA) |
| 062967 | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 605904 | 3/2 Design control — primary reference U.S. Government activity |
| 03-605904 | 5/9 Secondary reference Lift Parts Mfg Co Inc Div of Echlin Mfg Co the |
| 7617461 | 5/9 Secondary reference Intrupa Mfg Co |
NSN 5340-00-761-7461 is a Seat,helical Compression Spring, manufactured by Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-761-7461 has 2 manufacturer part numbers on file: 028291 (Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems), 062967 (Caterpillar Inc Div Caterpillar Defense).
2 possible matches (shared part number, not a government interchangeability claim): 5905-01-073-4412, 4140-01-096-9157. Verify interchangeability with system specifications before substitution.
Key specifications for 028291: Overall Height: 0.4380 INCHES NOMINAL IN; First Step Diameter: 1.3750 INCHES NOMINAL IN; End Diameter: 0.9850 INCHES NOMINAL IN; Distance From End to First Step: 0.3250 INCHES NOMINAL IN. 7 specifications are 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.