The Nut,plain,spline, cataloged under National Stock Number 5310-01-369-5644, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Div Huck Products Division. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-369-5644 |
| Primary Part Number | FFC6010NL-8-A |
| Item Name | Nut,plain,spline |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Huck International, Inc. Div Huck Products Division |
| Status | ACTIVE |
| Width Across Flats | 0.375 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN |
| Nut Length | 0.557 INCHES MINIMUM AND 0.587 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| Surface Treatment Document and Classification | QQ-P-416,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE BRACKET |
| Surface Treatment Document and Classification | QQ-P-416,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE BOSS |
| Thread Series | UNJC |
| Material Document and Classification | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | AMS5085 ASSN STD SINGLE MATERIAL RESPONSE BRACKET |
| Material Document and Classification | AMS5639 ASSN STD SINGLE MATERIAL RESPONSE BOSS |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Pilot Diameter | 0.294 INCHES NOMINAL IN |
| Pilot Length | 0.084 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN |
| Nut Height | 0.324 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE NUT |
| Surface Treatment | CADMIUM AND CHROMATE BRACKET |
| Surface Treatment | CADMIUM AND CHROMATE BOSS |
| Nut Style | SPLINE (FLOATING) |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 NUT |
| Material | STEEL COMP 1050 BRACKET |
| Material | STEEL COMP 304 BOSS |
| 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 |
|---|---|
| FFC6010NL-8-A PRIMARY | Huck International, Inc. Div Huck Products Division (USA) |
| 841617-17 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| FFC6010NL-8-A | 5/9 Secondary reference U.S. Government activity |
| 841617-17 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5310-01-369-5644 is a Nut,plain,spline, manufactured by Huck International, Inc. Div Huck Products Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-369-5644 has 2 manufacturer part numbers on file: FFC6010NL-8-A (Huck International, Inc. Div Huck Products Division), 841617-17 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for FFC6010NL-8-A: Width Across Flats: 0.375 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN; Nut Length: 0.557 INCHES MINIMUM AND 0.587 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE NUT; Surface Treatment Document and Classification: QQ-P-416,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE BRACKET. 23 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.