The Connecting Link,rigid, cataloged under National Stock Number 3040-01-272-8751, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Spiral Metals Corporation of Baton Rouge Dba Spiral Metals Corp of Baton Rouge Div Spiral Metals Corp of Baton. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-272-8751 |
| Primary Part Number | SMC-201-77-21X24 PIECE 10 |
| Item Name | Connecting Link,rigid |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Spiral Metals Corporation of Baton Rouge Dba Spiral Metals Corp of Baton Rouge Div Spiral Metals Corp of Baton |
| Status | ACTIVE |
| Body Construction | SOLID |
| Link Style | STRAIGHT |
| Body Width | 0.875 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Body Thickness | 0.1875 INCHES NOMINAL IN |
| 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 |
|---|---|
| SMC-201-77-21X24 PIECE 10 PRIMARY | Spiral Metals Corporation of Baton Rouge Dba Spiral Metals Corp of Baton Rouge Div Spiral Metals Corp of Baton (USA) |
| Reference | Meaning |
|---|---|
| SMC-201-77-21X2 | C/1 Advisory reference — outside the item-of-supply concept Spiral Metals Corporation of Baton Rouge Dba Spiral Metals Corp of Baton Rouge Div Spiral Metals Corp of Baton |
| SMC-201-77 | D/9 Drawing number reference only Spiral Metals Corporation of Baton Rouge Dba Spiral Metals Corp of Baton Rouge Div Spiral Metals Corp of Baton |
NSN 3040-01-272-8751 is a Connecting Link,rigid, manufactured by Spiral Metals Corporation of Baton Rouge Dba Spiral Metals Corp of Baton Rouge Div Spiral Metals Corp of Baton, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-272-8751 has 1 manufacturer part number on file: SMC-201-77-21X24 PIECE 10 (Spiral Metals Corporation of Baton Rouge Dba Spiral Metals Corp of Baton Rouge Div Spiral Metals Corp of Baton).
2 possible matches (shared part number, not a government interchangeability claim): 4520-01-273-1393, 4520-01-305-2359. Verify interchangeability with system specifications before substitution.
Key specifications for SMC-201-77-21X24 PIECE 10: Body Construction: SOLID; Link Style: STRAIGHT; Body Width: 0.875 INCHES NOMINAL IN; Overall Length: 19.500 INCHES NOMINAL IN. 5 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.