The Coupling,clamp,grooved, cataloged under National Stock Number 5342-01-331-6387, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Clampco Products, Inc.. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-331-6387 |
| Primary Part Number | 996AW-0437 |
| Item Name | Coupling,clamp,grooved |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Clampco Products, Inc. |
| Status | ACTIVE |
| Included Angle in Deg | 40.0 |
| Temp Rating | 70.0 FAHRENHEIT DEGF |
| Band Width | 0.750 INCHES NOMINAL IN |
| Root Width | 0.207 INCHES NOMINAL IN |
| Retainer Width | 0.750 INCHES NOMINAL IN |
| Material Document and Classification | AISI 301 ASSN STD SINGLE MATERIAL RESPONSE RETAINER |
| Material Document and Classification | AISI 301 ASSN STD SINGLE MATERIAL RESPONSE BAND |
| Shape | ROUND |
| Cross-Sectional Shape Style | GROOVED RETAINER |
| Band Thickness | 0.040 INCHES NOMINAL IN |
| Sealing Inner Liner | NOT INCLUDED |
| Retainer Thickness | 0.062 INCHES NOMINAL IN |
| Inside Diameter | 3.808 INCHES NOMINAL IN |
| Height | 0.281 INCHES NOMINAL IN |
| Nut Type | SELF-LOCKING HEXAGON |
| Segment Quantity | 3 |
| Material | STEEL COMP 301 BAND |
| Material | STEEL COMP 301 RETAINER |
| Material | STEEL CORROSION RESISTING NUT |
| Material | STEEL CORROSION RESISTING T 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 |
|---|---|
| 996AW-0437 PRIMARY | Clampco Products, Inc. (USA) |
| 6131K-437-Z PRIMARY | Voss Industries, Llc (USA) |
| Reference | Meaning |
|---|---|
| V0136100N-0437-S3 | 5/9 Secondary reference Clampco Products, Inc. |
| MV85643TS437V | 5/9 Secondary reference Aeroquip Corp Transportation Products Div Lawrence Plant |
| V1361N43753 | 5/9 Secondary reference Clampco Products, Inc. |
| 23038506 | 7/2 Vendor item drawing reference Rolls-Royce Corporation |
NSN 5342-01-331-6387 is a Coupling,clamp,grooved, manufactured by Clampco Products, Inc., classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-331-6387 has 2 manufacturer part numbers on file: 996AW-0437 (Clampco Products, Inc.), 6131K-437-Z (Voss Industries, Llc).
Key specifications for 996AW-0437: Included Angle in Deg: 40.0; Temp Rating: 70.0 FAHRENHEIT DEGF; Band Width: 0.750 INCHES NOMINAL IN; Root Width: 0.207 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.