The Coupling,clamp,grooved, cataloged under National Stock Number 5342-01-260-6637, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5342-01-260-6637 |
| Item Name | Coupling,clamp,grooved |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Status | ACTIVE |
| Included Angle in Deg | 40.0 |
| Band Width | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Root Width | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Precious Material | SILVER |
| Retainer Width | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | COMP A286 ASSN STD SINGLE MATERIAL RESPONSE OR COMP 347 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | MIL-S-18732, TYPE 431 MIL SPEC SINGLE MATERIAL RESPONSE T BOLT |
| Material Document and Classification | MIL-S-5059, COMP 302 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059, TYPE 301 MIL SPEC 2ND MATERIAL RESPONSE RETAINER |
| Material Document and Classification | MIL-S-5059, COMP 302 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059, TYPE 301 MIL SPEC 2ND MATERIAL RESPONSE TRUNNION |
| Shape | ROUND |
| Cross-Sectional Shape Style | GROOVED RETAINER |
| Band Thickness | 0.020 INCHES NOMINAL IN |
| Sealing Inner Liner | NOT INCLUDED |
| Retainer Thickness | 0.020 INCHES NOMINAL IN |
| Inside Diameter | 1.680 INCHES NOMINAL IN |
| Height | 0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Segment Quantity | 3 |
| Surface Treatment | SILVER NUT |
| Precious Material and Location | NUT SILVER |
| Material | STEEL CORROSION RESISTING NUT |
| Material | STEEL COMP 302 OR STEEL COMP 301 RETAINER |
| Material | STEEL COMP 302 OR STEEL COMP 301 TRUNNION |
| Material | STEEL 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 |
| Reference | Meaning |
|---|---|
| NE100920-0190 | 3/9 Design control — primary reference Eaton Aeroquip Llc Dba Jackson North 1 |
| 33305AB-1 | 5/2 Secondary reference U.S. Government activity |
| 30-153-1 | 5/1 Secondary reference U.S. Government activity |
| NE100920-0190 | 5/1 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
NSN 5342-01-260-6637 is a Coupling,clamp,grooved, classified under FSC 5342, Hardware, Weapon System. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4330-01-395-8840, 3460-01-490-2687, 5930-01-602-5300. Verify interchangeability with system specifications before substitution.
Key specifications for 5342-01-260-6637: Included Angle in Deg: 40.0; Band Width: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN; Root Width: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN; Precious Material: SILVER. 24 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.