The Coupling,clamp,grooved, cataloged under National Stock Number 5342-01-020-7255, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5342-01-020-7255 |
| Primary Part Number | 42H10-600A |
| Item Name | Coupling,clamp,grooved |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Included Angle in Deg | 38.0 |
| Temp Rating | -65.0 FAHRENHEIT AND 1100.0 FAHRENHEIT DEGF |
| Surface Treatment Document and Classification | AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE NUT |
| Band Width | 0.880 INCHES NOMINAL IN |
| Root Width | 0.270 INCHES NOMINAL IN |
| Retainer Width | 0.720 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5732, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE BOLT |
| Material Document and Classification | AMS 5732, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Shape | ROUND |
| Cross-Sectional Shape Style | GROOVED RETAINER |
| Band Thickness | 0.032 INCHES NOMINAL IN |
| Sealing Inner Liner | NOT INCLUDED |
| Retainer Thickness | 0.050 INCHES NOMINAL IN |
| Inside Diameter | 6.198 INCHES NOMINAL IN |
| Height | 0.225 INCHES NOMINAL IN |
| Nut Type | PLAIN CASTELLATED HEXAGON |
| Segment Quantity | 3 |
| Surface Treatment | SILVER NUT |
| Material | IRON ALLOY 660 NUT |
| Material | IRON ALLOY 660 BOLT |
| Latch Style | SINGLE |
| 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 |
|---|---|
| 42H10-600A PRIMARY | Grimes Aerospace Company (USA) |
| BACC10EZ600A | The Boeing Company Div Commercial (USA) |
| Reference | Meaning |
|---|---|
| BACC10EZ600A | 5/9 Secondary reference U.S. Government activity |
NSN 5342-01-020-7255 is a Coupling,clamp,grooved, manufactured by Grimes Aerospace Company, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-020-7255 has 2 manufacturer part numbers on file: 42H10-600A (Grimes Aerospace Company), BACC10EZ600A (The Boeing Company Div Commercial).
Key specifications for 42H10-600A: Included Angle in Deg: 38.0; Temp Rating: -65.0 FAHRENHEIT AND 1100.0 FAHRENHEIT DEGF; Surface Treatment Document and Classification: AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE NUT; Band Width: 0.880 INCHES NOMINAL IN. 21 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.