The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-206-3470, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-206-3470 |
| Primary Part Number | 1213E0956 FIND 40 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Head Height | 0.312 INCHES NOMINAL IN |
| Fastener Length | 7.250 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-26074,CL 2,GR A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.500 INCHES NOMINAL IN |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM OVERALL |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL COMP 4340 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 1213E0956 FIND 40 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 1210C1606 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Rms |
| 1213E0956 FIND 40 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
| 1210C1606 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 5305-01-206-3470 is a Screw,cap,hexagon Head, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-206-3470 has 1 manufacturer part number on file: 1213E0956 FIND 40 (Lockheed Martin Corporation Div Rms).
Key specifications for 1213E0956 FIND 40: Head Height: 0.312 INCHES NOMINAL IN; Fastener Length: 7.250 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-26074,CL 2,GR A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 1.500 INCHES NOMINAL IN. 16 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.