The Clamp,loop, cataloged under National Stock Number 5340-00-939-1638, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Arrowhead Products Corp. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-939-1638 |
| Primary Part Number | 40027-200 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Arrowhead Products Corp |
| Status | ACTIVE |
| Fastening Device Type | LOCK TAB |
| Material Thickness | 0.010 INCHES NOMINAL IN |
| Tongue Hole Type | OBLONG |
| Material | STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 309 OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 323 OR STEEL COMP 347 OR STEEL COMP 348 BAND |
| Slot Width | -0.065 INCHES NOMINAL IN |
| Slot Length | 0.156 INCHES NOMINAL IN |
| Loop Inside Diameter | 2.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| IT-4900-200 | Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc (USA) |
| 40027-200 PRIMARY | Arrowhead Products Corp (USA) |
| Reference | Meaning |
|---|---|
| GC501P200 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5340-00-939-1638 is a Clamp,loop, manufactured by Arrowhead Products Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-939-1638 has 2 manufacturer part numbers on file: IT-4900-200 (Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc), 40027-200 (Arrowhead Products Corp).
Key specifications for 40027-200: Fastening Device Type: LOCK TAB; Overall Width: 0.312 INCHES NOMINAL IN; Material Thickness: 0.010 INCHES NOMINAL IN; Tongue Hole Type: OBLONG. 7 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.
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.