The Spring,helical,extension, cataloged under National Stock Number 5360-01-339-6948, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Swagelok Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 — Coil, Flat, Leaf, and Wire Springs (FSG 53) |
| Manufacturers | Swagelok Co (CAGE 3T9T9); Dibert Valve & Fitting Co Inc (CAGE 7N351) |
| Parameter | Value |
|---|---|
| NSN | 5360-01-339-6948 |
| Primary Part Number | 177-R3A-K1-E |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 177-R3A-K1-E PRIMARY | Swagelok Co (USA) |
| 177-R3A-K1-E | Dibert Valve & Fitting Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 177-R3A-K1-E | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 177-R3A-K1-E | 5/9 Secondary reference III Williams Llc |
| 2999C03H05 | C/1 Advisory reference — outside the item-of-supply concept Teco-Westinghouse Motor Company |
NSN 5360-01-339-6948 is a Spring,helical,extension, manufactured by Swagelok Co, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-339-6948 has 2 manufacturer part numbers on file: 177-R3A-K1-E (Swagelok Co), 177-R3A-K1-E (Dibert Valve & Fitting Co Inc).
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.