The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-337-7599, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Maxim Evaporators of America, Llc Dba Maxim Evaporators Llc. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-337-7599 |
| Primary Part Number | 153-003-E-052 PCS 84,85,87 & 180 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Maxim Evaporators of America, Llc Dba Maxim Evaporators Llc |
| Status | ACTIVE |
| First Step Diameter | 12.0000 INCHES NOMINAL IN |
| End Diameter | 8.5620 INCHES NOMINAL IN |
| Distance From End to First Step | 9.6250 INCHES NOMINAL IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 153-003-E-052 PCS 84,85,87 & 180 PRIMARY | Maxim Evaporators of America, Llc Dba Maxim Evaporators Llc (USA) |
| Reference | Meaning |
|---|---|
| 153-003-E-052 PCS 84,85,87 & 180 | 3/9 Design control — primary reference Beaird Industries Inc. |
| 153-003-E-52 PIECE 85 | 5/9 Secondary reference Beaird Industries Inc. |
NSN 5340-01-337-7599 is a Seat,helical Compression Spring, manufactured by Maxim Evaporators of America, Llc Dba Maxim Evaporators Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-337-7599 has 1 manufacturer part number on file: 153-003-E-052 PCS 84,85,87 & 180 (Maxim Evaporators of America, Llc Dba Maxim Evaporators Llc).
Key specifications for 153-003-E-052 PCS 84,85,87 & 180: Overall Height: 10.6250 INCHES NOMINAL IN; First Step Diameter: 12.0000 INCHES NOMINAL IN; End Diameter: 8.5620 INCHES NOMINAL IN; Distance From End to First Step: 9.6250 INCHES NOMINAL IN. 6 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.