The Pin,straight,headless, cataloged under National Stock Number 5315-01-033-8204, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-033-8204 |
| Primary Part Number | 549AS121-1 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES OUTSIDE DIAMETER |
| First End Taper Length | 0.031 INCHES NOMINAL IN |
| Hole Arrangement Style | BOTH END DRILLED |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.077 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5758 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Pin Overall Diameter | 0.2460 INCHES MINIMUM AND 0.2480 INCHES MAXIMUM IN |
| Pin Overall Length | 1.656 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Second Hole Diameter | 0.077 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN |
| Center to Center Distance Between Holes | 1.450 INCHES MINIMUM AND 1.460 INCHES MAXIMUM IN |
| Material | COBALT COMP MP-35-N OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.103 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 | F |
| Part Number | Manufacturer |
|---|---|
| 549AS121-1 | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co (USA) |
| 549AS121-1 | Klune Industries, Inc. Div Pcc Aerostructures, Spanish Fork Dba Klune Industries (USA) |
| 549AS121-1 | Gtc Machining Llc (USA) |
| 549AS121-1 | Marvin Engineering Co, Inc (USA) |
| 549AS121-1 | Solo Enterprise Corp. Dba Solo Enterprise Corp (USA) |
| 549AS121-1 | Vertex Modernization and Sustainment Llc (USA) |
| 549AS121-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5315-01-033-8204 is a Pin,straight,headless, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-033-8204 has 7 manufacturer part numbers on file: 549AS121-1 (Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co), 549AS121-1 (Klune Industries, Inc. Div Pcc Aerostructures, Spanish Fork Dba Klune Industries), 549AS121-1 (Gtc Machining Llc), 549AS121-1 (Marvin Engineering Co, Inc), 549AS121-1 (Solo Enterprise Corp. Dba Solo Enterprise Corp) and 2 more.
Key specifications for 549AS121-1: Surface Finish: 32.0 MICROINCHES OUTSIDE DIAMETER; First End Taper Length: 0.031 INCHES NOMINAL IN; Hole Arrangement Style: BOTH END DRILLED; First End Style: CHAMFERED. 14 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.