The Band,retaining, cataloged under National Stock Number 5340-01-393-9401, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-393-9401 |
| Primary Part Number | IT-4900-550 |
| Item Name | Band,retaining |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc |
| Status | ACTIVE |
| Length | 19.4100 INCHES NOMINAL IN |
| End Style | SOLID LOOP |
| Material Document and Classification | MIL-S-6721, COMP TI 321 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-5059, COMP 301, COND 1/4 HARD MIL SPEC 2ND MATERIAL RESPONSE |
| Basic Shape Style | FLAT |
| Width | 0.3120 INCHES NOMINAL IN |
| Material | STEEL COMP 321 OR STEEL COMP 301 |
| 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 |
|---|---|
| 40027-550 | Arrowhead Products Corp (USA) |
| IT-4900-550 PRIMARY | Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| GC501P550 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5340-01-393-9401 is a Band,retaining, manufactured by Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-393-9401 has 2 manufacturer part numbers on file: 40027-550 (Arrowhead Products Corp), IT-4900-550 (Industrial Tube Co Llc Dba Industrial Tube Co Llc Div Industrial Tube Company, Llc).
Key specifications for IT-4900-550: Length: 19.4100 INCHES NOMINAL IN; End Style: SOLID LOOP; Material Document and Classification: MIL-S-6721, COMP TI 321 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-5059, COMP 301, COND 1/4 HARD MIL SPEC 2ND MATERIAL RESPONSE; Basic Shape Style: FLAT. 6 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.