The Pin,cotter, cataloged under National Stock Number 5315-01-155-5404, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is International Organization for Standardization (iso). Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-155-5404 |
| Primary Part Number | 4X40-ST-A2L |
| Item Name | Pin,cotter |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | International Organization for Standardization (iso) |
| Status | ACTIVE |
| Style Designator | STANDARD |
| Diameter | 3.5 MILLIMETERS MINIMUM AND 3.7 MILLIMETERS MAXIMUM MM |
| Underloop Length | 38.75 MILLIMETERS MINIMUM AND 41.25 MILLIMETERS MAXIMUM MM |
| Material | STEEL CORROSION RESISTING OVERALL |
| Point Type | EXTENDED PRONG SQUARE CUT OR EXTENDED PRONG CHISEL |
| 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 |
|---|---|
| 4X40-ST-A2L PRIMARY | International Organization for Standardization (iso) (CHE) |
| DIN94-4X40-ST-A2L | Din Deutsches Institut Fur Normung Ev (DEU) |
| 0153 5309 | Blackwood J. Blackwood & Son Pty Ltd (AUS) |
| 10501630 | General Dynamics Land Systems Canadacorp (CAN) |
| Reference | Meaning |
|---|---|
| DIN94-4X40-ST | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5315-01-155-5404 is a Pin,cotter, manufactured by International Organization for Standardization (iso), classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-155-5404 has 4 manufacturer part numbers on file: 4X40-ST-A2L (International Organization for Standardization (iso)), DIN94-4X40-ST-A2L (Din Deutsches Institut Fur Normung Ev), 0153 5309 (Blackwood J. Blackwood & Son Pty Ltd), 10501630 (General Dynamics Land Systems Canadacorp).
Key specifications for 4X40-ST-A2L: Style Designator: STANDARD; Diameter: 3.5 MILLIMETERS MINIMUM AND 3.7 MILLIMETERS MAXIMUM MM; Underloop Length: 38.75 MILLIMETERS MINIMUM AND 41.25 MILLIMETERS MAXIMUM MM; Material: STEEL CORROSION RESISTING OVERALL. 5 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.