The Chain Fastener,angle, cataloged under National Stock Number 4030-01-344-4411, is classified within Federal Supply Class 4030 (Fittings for Rope, Cable, and Chain) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is Buena Park Tool & Engineering, Inc Dba Buena Park Tool. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-01-344-4411 |
| Primary Part Number | 13D0021-033 |
| Item Name | Chain Fastener,angle |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | Buena Park Tool & Engineering, Inc Dba Buena Park Tool |
| Status | ACTIVE |
| Flat End Radius | 0.328 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| Elevated End Radius | 0.125 INCHES NOMINAL IN |
| Hole Center to Elevated End Length | 0.125 INCHES NOMINAL IN |
| First Flat Length | 0.738 INCHES NOMINAL IN |
| First Hole Diameter | 0.458 INCHES NOMINAL IN |
| Overall Thickness | 0.064 INCHES NOMINAL IN |
| Second Flat Length | 0.590 INCHES NOMINAL IN |
| Style Designator | TAPERED |
| Material Document and Classification | MIL-S-5059,COND A MIL SPEC SINGLE MATERIAL RESPONSE |
| Second Hole Diameter | 0.125 INCHES NOMINAL IN |
| Hole Center to Flat End Length | 0.328 INCHES NOMINAL IN |
| Angle | 15.0 DEGREES NOMINAL |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 301 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 13D0021-033 PRIMARY | Buena Park Tool & Engineering, Inc Dba Buena Park Tool (USA) |
| 13D0021-33 | All Power Manufacturing Co. (USA) |
| 13D0021-033 PRIMARY | Am Machining, Inc. Dba Am Machining Inc Div Apv Manufacturing & Engineering Co. (USA) |
| 13D0021-033 PRIMARY | American Metals & Machining (USA) |
| 13D0021-033 PRIMARY | Woodruff Corporation (USA) |
| Reference | Meaning |
|---|---|
| 13D0021-33 | 5/9 Secondary reference U.S. Government activity |
| 13D0021-033 | 5/2 Secondary reference U.S. Government activity |
| 13D0021-033 | 5/9 Secondary reference Reid Products Inc. Dba Reid Products Inc |
NSN 4030-01-344-4411 is a Chain Fastener,angle, manufactured by Buena Park Tool & Engineering, Inc Dba Buena Park Tool, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
NSN 4030-01-344-4411 has 5 manufacturer part numbers on file: 13D0021-033 (Buena Park Tool & Engineering, Inc Dba Buena Park Tool), 13D0021-33 (All Power Manufacturing Co.), 13D0021-033 (Am Machining, Inc. Dba Am Machining Inc Div Apv Manufacturing & Engineering Co.), 13D0021-033 (American Metals & Machining), 13D0021-033 (Woodruff Corporation).
Key specifications for 13D0021-033: Flat End Radius: 0.328 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE; Elevated End Radius: 0.125 INCHES NOMINAL IN; Hole Center to Elevated End Length: 0.125 INCHES NOMINAL IN. 15 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.