The Hook,support, cataloged under National Stock Number 5340-01-273-0135, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Capy Machine Shop Inc. Dba Capy Machine Shop Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-273-0135 |
| Primary Part Number | 1128B40735-1 |
| Item Name | Hook,support |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Capy Machine Shop Inc. Dba Capy Machine Shop Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC 1ST TREATMENT RESPONSE |
| Material Document and Classification | MIL-S-5059, TYPE 301, 1/2 HARD MIL SPEC 1ST MATERIAL RESPONSE |
| Surface Treatment | PASSIVATE |
| Material | 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 |
|---|---|
| 1128B40735-1 | Millennium Manufacturing Corp (USA) |
| 1128B40735-1 PRIMARY | Capy Machine Shop Inc. Dba Capy Machine Shop Inc (USA) |
| 1128B40735-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1128B40735-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5340-01-273-0135 is a Hook,support, manufactured by Capy Machine Shop Inc. Dba Capy Machine Shop Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-273-0135 has 3 manufacturer part numbers on file: 1128B40735-1 (Millennium Manufacturing Corp), 1128B40735-1 (Capy Machine Shop Inc. Dba Capy Machine Shop Inc), 1128B40735-1 (Northrop Grumman Systems Corporation).
Key specifications for 1128B40735-1: Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC 1ST TREATMENT RESPONSE; Material Document and Classification: MIL-S-5059, TYPE 301, 1/2 HARD MIL SPEC 1ST MATERIAL RESPONSE; Surface Treatment: PASSIVATE; Material: STEEL COMP 301. 4 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.