The Bar,metal, cataloged under National Stock Number 9510-01-243-1937, is classified within Federal Supply Class 9510 (Bars and Rods) of the Metal Bars, Sheets, and Shapes group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9510-01-243-1937 |
| Primary Part Number | QQN281CLAF0RM1HFIN3 1/4INL1 |
| Item Name | Bar,metal |
| FSC / FSG | 9510 / 95 — Bars and Rods |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZX |
| Material Document and Classification | QQ-N-281, CLASS A FED SPEC 1ST MATERIAL RESPONSE |
| Basic Shape Style | ROUND |
| Departure From Cited Designator | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Nondefinitive Spec/std Data | 1 FORM |
| Cross Section Outside Diameter | 3.250 INCHES NOMINAL IN |
| Material | NICKEL ALLOY 400 |
| Fabrication Method | HOT FINISH |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| QQN281CLAF0RM1HFIN3 1/4INL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| QQ-N-281L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| QQN281CLAF0RM1HFIN3 1/4IN | 5/1 Secondary reference U.S. Government activity |
| QQ-N-281 | 4/1 Identification reference U.S. Government activity |
NSN 9510-01-243-1937 is a Bar,metal, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 9510, Bars and Rods. Status: active.
NSN 9510-01-243-1937 has 1 manufacturer part number on file: QQN281CLAF0RM1HFIN3 1/4INL1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for QQN281CLAF0RM1HFIN3 1/4INL1: Criticality Code Justification: ZZZX; Material Document and Classification: QQ-N-281, CLASS A FED SPEC 1ST MATERIAL RESPONSE; Basic Shape Style: ROUND; Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 8 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.