The Bar,metal, cataloged under National Stock Number 9510-00-090-9978, 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 10 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 9510-00-090-9978 |
| Primary Part Number | ASTM-A193 GRB16L1 |
| Item Name | Bar,metal |
| FSC / FSG | 9510 / 95 — Bars and Rods |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Length | 8.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT |
| Heat Treatment | QUENCHED AND TEMPERED |
| Criticality Code Justification | ZZZX |
| Material Document and Classification | ASTM A193 ASSN STD 1ST MATERIAL RESPONSE |
| Surface Condition | DESCALED OVERALL |
| 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 | B16 GRADE AND 1 TYPE |
| Cross Section Outside Diameter | 2.125 INCHES NOMINAL IN |
| Material | STEEL UNS K14072 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 410 OR STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 OR STEEL COMP 501 |
| 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 |
|---|---|
| ASTM-A193 GRB16L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 2 1/8 IN ROUNDL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| ASTM-A193 GRB16 2 1/8 INRDL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| ASTM-A193 GRB16 | 4/1 Identification reference U.S. Government activity |
| ASTM-A193 GRB16 2 1/8 INRD | 4/1 Identification reference U.S. Government activity |
| 2 1/8 IN ROUND | 4/1 Identification reference U.S. Government activity |
NSN 9510-00-090-9978 is a Bar,metal, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 9510, Bars and Rods. Status: active.
NSN 9510-00-090-9978 has 3 manufacturer part numbers on file: ASTM-A193 GRB16L1 (Naval Inventory Control Point Mechanicsburg), 2 1/8 IN ROUNDL1 (Naval Inventory Control Point Mechanicsburg), ASTM-A193 GRB16 2 1/8 INRDL1 (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 9510-00-090-9979. Verify interchangeability with system specifications before substitution.
Key specifications for ASTM-A193 GRB16L1: Length: 8.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT; Heat Treatment: QUENCHED AND TEMPERED; Criticality Code Justification: ZZZX; Material Document and Classification: ASTM A193 ASSN STD 1ST MATERIAL RESPONSE. 10 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.