The Fastener,bead Chain, cataloged under National Stock Number 4030-01-612-4665, 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 Armstrong/alar, Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-01-612-4665 |
| Primary Part Number | 6A167SS30 |
| Item Name | Fastener,bead Chain |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | Armstrong/alar, Inc |
| Status | ACTIVE |
| Style Designator | STANDARD |
| Accommodated Material Diameter | 0.167 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 |
|---|---|
| 6A167SS30 PRIMARY | Armstrong/alar, Inc (USA) |
| Reference | Meaning |
|---|---|
| 3841AS2491-01 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4030-01-612-4665 is a Fastener,bead Chain, manufactured by Armstrong/alar, Inc, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
NSN 4030-01-612-4665 has 1 manufacturer part number on file: 6A167SS30 (Armstrong/alar, Inc).
Key specifications for 6A167SS30: Style Designator: STANDARD; Accommodated Material Diameter: 0.167 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: END RING,BALL CHAIN. 2 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.