The Pin,grooved,headless, cataloged under National Stock Number 5315-01-644-3303, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Richard Manno & Company Inc.. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-644-3303 |
| Primary Part Number | HLCPRR-500-2750-S |
| Item Name | Pin,grooved,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Richard Manno & Company Inc. |
| Status | ACTIVE |
| Undercut Width | 0.046 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Hardness Rating | 80.0 ROCKWELL B NOMINAL OVERALL |
| Pin Attachment Type | RING |
| Style Designator | GROOVE |
| Diameter | 0.500 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Effective Length | 2.750 INCHES MINIMUM AND 2.770 INCHES MAXIMUM IN |
| Second Undercut Width | 0.046 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Second End Style | CHAMFERED |
| Material | STEEL COMP 1018 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 |
|---|---|
| HLCPRR-500-2750-S PRIMARY | Richard Manno & Company Inc. (USA) |
| 93890A638 | Mcmaster-Carr Supply Co (USA) |
NSN 5315-01-644-3303 is a Pin,grooved,headless, manufactured by Richard Manno & Company Inc., classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-644-3303 has 2 manufacturer part numbers on file: HLCPRR-500-2750-S (Richard Manno & Company Inc.), 93890A638 (Mcmaster-Carr Supply Co).
Key specifications for HLCPRR-500-2750-S: Undercut Width: 0.046 INCHES NOMINAL IN; First End Style: CHAMFERED; Hardness Rating: 80.0 ROCKWELL B NOMINAL OVERALL; Pin Attachment Type: RING. 12 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.