The Seat,helical Compression Spring, cataloged under National Stock Number 5340-01-003-6618, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American Terra Vehicles Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-003-6618 |
| Primary Part Number | AA7-I-231 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — No Item Name Available |
| Manufacturer | American Terra Vehicles Inc |
| Status | CANCELLED |
| Distance From End to First Step | 0.2000 INCHES NOMINAL IN |
| Counterbore Length | 0.2000 INCHES NOMINAL IN |
| Style Designator | SEAT |
| Design Type | SOLID |
| End Diameter | 0.5000 INCHES NOMINAL IN |
| Countersink Diameter | 0.0930 INCHES NOMINAL IN |
| Material | STEEL |
| Bore Diameter | 0.3270 INCHES NOMINAL IN |
| Second Step Diameter | 0.8500 INCHES NOMINAL IN |
| First Step Length | 0.0620 INCHES NOMINAL IN |
| First Step Diameter | 0.6450 INCHES NOMINAL IN |
| Counterbore Diameter | 0.4050 INCHES NOMINAL IN |
| Countersink Angle in Deg | 37.0 |
| Chamfer Angle in Deg | 30.0 |
| Acquisition Status | CANCELLED |
| Successor | 6515-01-499-6669 (400.144) |
| HAZMAT | No |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| AA7-I-231 | Deco-Grand Inc Sub of Grand Machining Co (USA) |
| AA7I210 | American Terra Vehicles Inc (USA) |
| AA7-I-231 PRIMARY | American Terra Vehicles Inc (USA) |
| 987021000RA1000 | J R S Industries Inc (USA) |
| AA7I210 | Renk America Llc Div Renk America (USA) |
| 400144 | Hdt Expeditionary Systems Inc (USA) |
| 25253 | Hdt Expeditionary Systems Inc (USA) |
| 987021000RA1000 | American Terra Vehicles Inc (USA) |
NSN 5340-01-003-6618 is a Seat,helical Compression Spring, manufactured by American Terra Vehicles Inc, classified under FSC 5340 (No Item Name Available). Status: cancelled.
NSN 5340-01-003-6618 has 8 cross-referenced part numbers: AA7-I-231 (Deco-Grand Inc Sub of Grand Machining Co), AA7I210 (American Terra Vehicles Inc), AA7-I-231 (American Terra Vehicles Inc), 987021000RA1000 (J R S Industries Inc), AA7I210 (Renk America Llc Div Renk America) and 3 more.
There are 9 known substitutes for 5340-01-003-6618: 5340-00-358-2316, 6515-01-499-6669, 3110-00-055-2100 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for AA7-I-231: Special Features: NOT CASEHARDENED; Distance From End to First Step: 0.2000 INCHES NOMINAL IN; Counterbore Length: 0.2000 INCHES NOMINAL IN; Style Designator: SEAT. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5340-01-003-6618 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.