The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-679-1591, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5340-00-679-1591 |
| Primary Part Number | 7744617 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Countersink Angle in Deg | 90.0 |
| FSC Application Data | ENGINE,RECIPROCATING,GASOLINE,EXCEPT AIRCRAFT |
| First Step Diameter | 2.2900 INCHES NOMINAL IN |
| End Diameter | 1.0900 INCHES NOMINAL IN |
| Countersink Diameter | 0.9100 INCHES NOMINAL IN |
| Distance From End to First Step | 0.2000 INCHES NOMINAL IN |
| Design Type | SOLID |
| Style Designator | SEAT |
| Bore Diameter | 0.7930 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 7744617 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 7744617 | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| 2805006791591 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| SQAP7744617 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| CS-2300-0001 | 5/9 Secondary reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| 7744617 | 5/9 Secondary reference Renk America Llc Div Renk America |
NSN 5340-00-679-1591 is a Seat,helical Compression Spring, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-679-1591 has 2 manufacturer part numbers on file: 7744617 (U S Army Tank Automotive Command Amsta-Im-Mm), 7744617 (Satair A/s).
Key specifications for 7744617: Overall Height: 0.4750 INCHES NOMINAL IN; Countersink Angle in Deg: 90.0; FSC Application Data: ENGINE,RECIPROCATING,GASOLINE,EXCEPT AIRCRAFT; First Step Diameter: 2.2900 INCHES NOMINAL IN. 10 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.