The Clamp,block, cataloged under National Stock Number 5342-01-666-0138, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is R.g.h. Associates, Inc. Dba Richards Screw Machine. The record lists 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Clamp,block |
| FSC / FSG | 5342 — Hardware, Weapon System (FSG 53) |
| Manufacturers | R.g.h. Associates, Inc. Dba Richards Screw Machine (CAGE 2Y283); Micro Mold Plastics Usa, Inc (CAGE 28646); Trinity Plastics Inc (CAGE 5V398); Superior Plastics, Inc. (CAGE 0BKB8) |
| Parameter | Value |
|---|---|
| NSN | 5342-01-666-0138 |
| Primary Part Number | JSFL06-3N |
| Item Name | Clamp,block |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | R.g.h. Associates, Inc. Dba Richards Screw Machine |
| Status | ACTIVE |
| 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 |
|---|---|
| JSFL06-3N PRIMARY | R.g.h. Associates, Inc. Dba Richards Screw Machine (USA) |
| JSFL06-3N PRIMARY | Micro Mold Plastics Usa, Inc (USA) |
| JSFL06-3N PRIMARY | Trinity Plastics Inc (USA) |
| JSFL06-3N PRIMARY | Superior Plastics, Inc. (USA) |
| Reference | Meaning |
|---|---|
| JSFL06 | D/9 Drawing number reference only U.S. Government activity |
| JSFL06-3N | 5/9 Secondary reference Composite General Inc Aerospace and Defense Div |
| JSFL06-3N | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5342-01-666-0138 is a Clamp,block, manufactured by R.g.h. Associates, Inc. Dba Richards Screw Machine, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-666-0138 has 4 manufacturer part numbers on file: JSFL06-3N (R.g.h. Associates, Inc. Dba Richards Screw Machine), JSFL06-3N (Micro Mold Plastics Usa, Inc), JSFL06-3N (Trinity Plastics Inc), JSFL06-3N (Superior Plastics, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5342-01-666-0413. Verify interchangeability with system specifications before substitution.
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.