The Pin,straight,headless, cataloged under National Stock Number 5315-00-680-3437, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5315-00-680-3437 |
| Primary Part Number | 293BC440022-3 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| First End Taper Length | 0.031 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Pin Overall Diameter | 0.3728 INCHES MINIMUM AND 0.3738 INCHES MAXIMUM IN |
| Pin Overall Length | 2.719 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 630 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 293BC440022-3 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| ML440022-3 | C/1 Advisory reference — outside the item-of-supply concept Meyer Labs Inc |
| 293BC440022-3 | 5/9 Secondary reference Lockheed Martin Corporation |
NSN 5315-00-680-3437 is a Pin,straight,headless, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-680-3437 has 1 manufacturer part number on file: 293BC440022-3 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 293BC440022-3: First End Taper Length: 0.031 INCHES NOMINAL IN; First End Style: CHAMFERED; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL; Material Document and Classification: AMS 5643 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.