The Clevis,rod End, cataloged under National Stock Number 5340-01-137-3788, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-137-3788 |
| Primary Part Number | 70400-06638-044 |
| Item Name | Clevis,rod End |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Width Across Flats | 0.658 INCHES MINIMUM AND 0.663 INCHES MAXIMUM IN |
| Fork Span Width | 0.526 INCHES NOMINAL IN |
| Fork Arm Thickness | 0.200 INCHES NOMINAL IN |
| End Radius | 0.688 INCHES NOMINAL IN |
| Shank Length | 1.605 INCHES NOMINAL IN |
| Style Designator | CLEVIS |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.750 INCHES ROD CONNECTION IN |
| Thread Class | 3A ROD CONNECTION A |
| Material | STEEL COMP 4340 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ROD CONNECTION |
| Metallic Hardness Rating | 34.0 MINIMUM ROCKWELL C AND 38.0 MAXIMUM ROCKWELL C |
| Fork Depth | 1.125 INCHES NOMINAL IN |
| Distance From Pivot Pinhole Center to Rod Connection End | 2.980 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 70400-06638-044 | Sai Industries, Inc (USA) |
| 70400-06638-044 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 70400-06638-044 | G M J Machine Co, Inc Div G.m.j. Machine Company, Inc. (USA) |
| 70400-06638-044 | Ccb Industries, Inc. (USA) |
| 70400-06638-044 | Aero Swage Ltd Dba Aero-Swage (USA) |
| Reference | Meaning |
|---|---|
| 5340PL2213978 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 70400-06638-044 | 5/9 Secondary reference Athens Industries, Inc. |
NSN 5340-01-137-3788 is a Clevis,rod End, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-137-3788 has 5 manufacturer part numbers on file: 70400-06638-044 (Sai Industries, Inc), 70400-06638-044 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 70400-06638-044 (G M J Machine Co, Inc Div G.m.j. Machine Company, Inc.), 70400-06638-044 (Ccb Industries, Inc.), 70400-06638-044 (Aero Swage Ltd Dba Aero-Swage).
Key specifications for 70400-06638-044: Width Across Flats: 0.658 INCHES MINIMUM AND 0.663 INCHES MAXIMUM IN; Fork Span Width: 0.526 INCHES NOMINAL IN; Fork Arm Thickness: 0.200 INCHES NOMINAL IN; End Radius: 0.688 INCHES NOMINAL IN. 14 specifications are 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.
NSN 5340-01-137-3788 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.