The Pin,hollow, cataloged under National Stock Number 5315-01-266-2644, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-266-2644 |
| Primary Part Number | 128CM12275-7 |
| Item Name | Pin,hollow |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Surface Treatment Document and Classification | 7021 CAGEC 26512 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| First End Style | SQUARE W/THRU HOLE |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 5612 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pin Overall Diameter | 0.6235 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN |
| Pin Overall Length | 1.292 INCHES MINIMUM AND 1.297 INCHES MAXIMUM IN |
| Second End Relationship with First End | IDENTICAL |
| Inside Diameter | 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 410 OVERALL |
| 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 |
|---|---|
| 128CM12275-7 | Aero Specialties Manufacturing Corp. (USA) |
| 128CM12275-7 | Mikim Industries Inc (USA) |
| 128CM12275-7 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 128CM12275-7 | Fabrication Specialty Inc Dba Fabrication Specialty Inc (USA) |
| 128CM12275-7 | G M J Machine Co, Inc Div G.m.j. Machine Company, Inc. (USA) |
| 128CM12275-7 | Preci-Manufacturing, Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 128CM12275-7 | 5/9 Secondary reference Delta Precision Tool and Instrument Co |
| 128CM12275-7 | 5/9 Secondary reference Comptech |
| 128CM12275-7 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5315-01-266-2644 is a Pin,hollow, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-266-2644 has 6 manufacturer part numbers on file: 128CM12275-7 (Aero Specialties Manufacturing Corp.), 128CM12275-7 (Mikim Industries Inc), 128CM12275-7 (Northrop Grumman Systems Corporation), 128CM12275-7 (Fabrication Specialty Inc Dba Fabrication Specialty Inc), 128CM12275-7 (G M J Machine Co, Inc Div G.m.j. Machine Company, Inc.) and 1 more.
Key specifications for 128CM12275-7: Surface Treatment Document and Classification: 7021 CAGEC 26512 MFR REF SINGLE TREATMENT RESPONSE OVERALL; First End Style: SQUARE W/THRU HOLE; Hardness Rating: 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL; Material Document and Classification: AMS 5612 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.