The Pin,straight,headed, cataloged under National Stock Number 5315-00-690-8982, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-690-8982 |
| Primary Part Number | B1538A |
| Item Name | Pin,straight,headed |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| Chamfer Length | 0.030 INCHES NOMINAL IN |
| Hole Arrangement Style | ONE END DRILLED |
| Under Head Length | 2.230 INCHES NOMINAL IN |
| Pin Chamfer Angle | 45.0 DEGREES NOMINAL |
| First Hole Diameter | 0.156 INCHES NOMINAL IN |
| Hardness Rating | 88.3 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 92.2 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL |
| Style Designator | STRAIGHT |
| Pin Head Diameter | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.374 INCHES NOMINAL IN |
| Features Provided | CASEHARDENED |
| Head Style | PAN NO. 2 (R1 NOT REQUIRED IN ITEM DESCRIPTION) |
| Height | 0.120 INCHES NOMINAL IN |
| Material | STEEL COMP 1117 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.174 INCHES NOMINAL 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 |
|---|---|
| B1538A PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
NSN 5315-00-690-8982 is a Pin,straight,headed, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-690-8982 has 1 manufacturer part number on file: B1538A (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).
Key specifications for B1538A: Chamfer Length: 0.030 INCHES NOMINAL IN; Hole Arrangement Style: ONE END DRILLED; Under Head Length: 2.230 INCHES NOMINAL IN; Pin Chamfer Angle: 45.0 DEGREES NOMINAL. 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.