The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-787-6424, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-787-6424 |
| Primary Part Number | 663-1 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — No Item Name Available |
| Manufacturer | Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems |
| Status | ACTIVE |
| Counterbore Diameter | 0.3150 INCHES MINIMUM AND 0.3250 INCHES MAXIMUM IN |
| Design Type | SOLID |
| Counterbore Length | 0.2280 INCHES MINIMUM AND 0.2380 INCHES MAXIMUM IN |
| End Diameter | 0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE |
| Material | STEEL |
| Style Designator | SEAT |
| Chamfer Angle in Deg | 3.0 |
| First Step Diameter | 0.4950 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN |
| Bore Diameter | 0.1560 INCHES MINIMUM AND 0.1590 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 663-1 | Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA) |
| 368015R1 | International Harvester Co Agricultural Equipment Div (USA) |
| 4048635 | Minnpar, Llc Dba Minnpar (USA) |
| P92337 | Lull Lift Corp Dba Omniquip Parts Worldwide (USA) |
| 12210 | Stanadyne Corporation Dba Stanadyne Diesel Systems (USA) |
| 6980 | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| 125-3986 | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| 12210 | Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems (USA) |
| 368015R1 | Navistar International Corporation Dba Navistar (USA) |
| 12210 | Lockwood Corp (USA) |
| 4048635 | Barber-Greene Co (USA) |
| 368015R1 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| 40983 | Napco International Llc Dba Napco International Inc (USA) |
NSN 5340-00-787-6424 is a Seat,helical Compression Spring, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems, classified under FSC 5340 (No Item Name Available). Status: active.
NSN 5340-00-787-6424 has 13 cross-referenced part numbers: 663-1 (Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems), 368015R1 (International Harvester Co Agricultural Equipment Div), 4048635 (Minnpar, Llc Dba Minnpar), P92337 (Lull Lift Corp Dba Omniquip Parts Worldwide), 12210 (Stanadyne Corporation Dba Stanadyne Diesel Systems) and 8 more.
There are 12 known substitutes for 5340-00-787-6424: 5340-00-597-6976, 5340-01-592-5504, 4820-00-140-3676 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 663-1: Counterbore Diameter: 0.3150 INCHES MINIMUM AND 0.3250 INCHES MAXIMUM IN; Design Type: SOLID; Counterbore Length: 0.2280 INCHES MINIMUM AND 0.2380 INCHES MAXIMUM IN; End Diameter: 0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN. 11 total characteristics are documented in the Federal Logistics Information System.