The Block,stop,turntable, cataloged under National Stock Number 4210-01-041-3545, is classified within Federal Supply Class 4210 (Firefighting Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4210-01-041-3545 |
| Primary Part Number | 1SR17 |
| Item Name | Block,stop,turntable |
| FSC / FSG | 4210 / 42 — Firefighting Equipment |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY; CHROME PLATED; 0.750 IN.THK; 1.795 IN.W; 2.812 IN.O/A LG;2 BOLT HOLES 0.265 IN.DIA.COUNTERBORED THRU BLOCK SPACED 1.250 IN.C TO C IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1SR17 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| RM1-127 | 3/9 Design control — primary reference Santa Rosa Mfg Co Inc |
| RMI-127 | 5/9 Secondary reference Santa Rosa Mfg Co Inc |
| 1SR17 | 5/9 Secondary reference Oshkosh Corp |
NSN 4210-01-041-3545 is a Block,stop,turntable, manufactured by Oshkosh Defense Llc, classified under FSC 4210, Firefighting Equipment. Status: active.
NSN 4210-01-041-3545 has 1 manufacturer part number on file: 1SR17 (Oshkosh Defense Llc).
Key specifications for 1SR17: General Characteristics Item Description: ALUMINUM ALLOY; CHROME PLATED; 0.750 IN.THK; 1.795 IN.W; 2.812 IN.O/A LG;2 BOLT HOLES 0.265 IN.DIA.COUNTERBORED THRU BLOCK SPACED 1.250 IN.C TO C IN. 1 specification is 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.