The Braze Ring .250 in, cataloged under National Stock Number 3439-01-603-0686, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) of the Metalworking Machinery (continued) group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-603-0686 |
| Primary Part Number | QQB654GRIV/D.329/W.047/T.025L1 |
| Item Name | Braze Ring .250 in |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZW |
| Departure From Cited Document | MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| QQB654GRIV/D.329/W.047/T.025L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| QQB654GRIV/D.329/W.047/T.025 | 4/1 Identification reference U.S. Government activity |
| QQB654GRIV/D.329/W.047/T.025 | 3/1 Design control — primary reference U.S. Government activity |
NSN 3439-01-603-0686 is a Braze Ring .250 in, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-01-603-0686 has 1 manufacturer part number on file: QQB654GRIV/D.329/W.047/T.025L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for QQB654GRIV/D.329/W.047/T.025L1: Criticality Code Justification: ZZZW; Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY. 2 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.