The Spring,helical,extension, cataloged under National Stock Number 5360-00-265-2009, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Dresser, Llc. Government technical data includes 17 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-265-2009 |
| Primary Part Number | B4852 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Dresser, Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.938 INCHES NOMINAL IN |
| Load Rating | 76.000 POUNDS MINIMUM AND 84.000 POUNDS MAXIMUM LBS |
| End Style | RAISED HOOK SECOND END |
| End Style | MACHINED HALF LOOP FIRST END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.344 INCHES NOMINAL FIRST END IN |
| Opening Width | 0.641 INCHES NOMINAL BOTH ENDS IN |
| Material Document and Classification | QQ-S-633 -2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 3.037 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.938 INCHES NOMINAL SECOND END IN |
| Inside Diameter | 0.697 INCHES NOMINAL IN |
| Spring Length Under Load | 4.562 INCHES NOMINAL IN |
| Coil Quantity | 12 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL COMP 1070 OVERALL |
| 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 |
|---|---|
| B4852 PRIMARY | Dresser, Llc (USA) |
NSN 5360-00-265-2009 is a Spring,helical,extension, manufactured by Dresser, Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-265-2009 has 1 manufacturer part number on file: B4852 (Dresser, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 6210-00-557-3009, 6680-00-966-9812. Verify interchangeability with system specifications before substitution.
Key specifications for B4852: Spring Free Outside Diameter: 0.938 INCHES NOMINAL IN; Load Rating: 76.000 POUNDS MINIMUM AND 84.000 POUNDS MAXIMUM LBS; End Style: RAISED HOOK SECOND END; End Style: MACHINED HALF LOOP FIRST END. 17 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.