The Spring,helical,extension, cataloged under National Stock Number 5360-00-209-9944, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Dorer Engineering Inc Dba O J Rodgers Company. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-209-9944 |
| Primary Part Number | R630B68T |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Dorer Engineering Inc Dba O J Rodgers Company |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.125 INCHES NOMINAL IN |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | ASTM A228-41 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 5.173 INCHES NOMINAL IN |
| Inside Diameter | 0.077 INCHES NOMINAL IN |
| Coil Quantity | 190 |
| Surface Treatment | ZINC OVERALL |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL UNS K08500 OVERALL |
| Hook Radius | 0.038 INCHES NOMINAL BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| R630B68T PRIMARY | Dorer Engineering Inc Dba O J Rodgers Company (USA) |
| Reference | Meaning |
|---|---|
| 512545 | 5/9 Secondary reference Smiths Detection Inc. Dba Smiths Detection Inc Casc |
NSN 5360-00-209-9944 is a Spring,helical,extension, manufactured by Dorer Engineering Inc Dba O J Rodgers Company, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-209-9944 has 1 manufacturer part number on file: R630B68T (Dorer Engineering Inc Dba O J Rodgers Company).
Key specifications for R630B68T: Spring Free Outside Diameter: 0.125 INCHES NOMINAL IN; End Style: SHORT TWISTED HOOK BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.