The Pin,straight,headed, cataloged under National Stock Number 5315-01-178-2166, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Te-Co. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5315-01-178-2166 |
| Primary Part Number | MS9843-12 |
| Item Name | Pin,straight,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Te-Co |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES OUTSIDE DIAMETER |
| Chamfer Length | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Hole Arrangement Style | ONE END DRILLED |
| Under Head Length | 0.823 INCHES MINIMUM AND 0.833 INCHES MAXIMUM IN |
| Pin Chamfer Angle | 15.0 DEGREES MINIMUM AND 25.0 DEGREES MAXIMUM |
| First Hole Diameter | 0.065 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | STRAIGHT |
| Pin Head Diameter | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.1244 INCHES MINIMUM AND 0.1249 INCHES MAXIMUM IN |
| Head Style | PAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION) |
| Height | 0.025 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN |
| Material | STEEL COMP 615 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.060 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| 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 |
|---|---|
| MS9843-12 PRIMARY | Te-Co (USA) |
| Reference | Meaning |
|---|---|
| MS9843-12 | 5/9 Secondary reference U.S. Government activity |
| 69291C6P4-24 | 5/9 Secondary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 5315-01-178-2166 is a Pin,straight,headed, manufactured by Te-Co, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-178-2166 has 1 manufacturer part number on file: MS9843-12 (Te-Co).
Key specifications for MS9843-12: Surface Finish: 32.0 MICROINCHES OUTSIDE DIAMETER; Chamfer Length: 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN; Hole Arrangement Style: ONE END DRILLED; Under Head Length: 0.823 INCHES MINIMUM AND 0.833 INCHES MAXIMUM IN. 15 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.