The Nut,plain,spline, cataloged under National Stock Number 5310-01-332-7249, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-332-7249 |
| Primary Part Number | 841617-18 |
| Item Name | Nut,plain,spline |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| 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,TYPE 2,CL2 FED SPEC SINGLE TREATMENT RESPONSE BOSS |
| Thread Series | UNJC |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | AMS 5085 ASSN STD SINGLE MATERIAL RESPONSE BRACKET |
| Material Document and Classification | AMS 5639 ASSN STD SINGLE MATERIAL RESPONSE BOSS |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Pilot Diameter | 0.270 INCHES MAXIMUM IN |
| Pilot Length | 0.115 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Nut Height | 0.375 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE NUT |
| Surface Treatment | CADMIUM BRACKET |
| Surface Treatment | CADMIUM 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 |
|---|---|
| 841617-18 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| FFC6010NL-8-B PRIMARY | Huck International, Inc. Div Huck Products Division (USA) |
| Reference | Meaning |
|---|---|
| FFC6010NL-8-B | 5/9 Secondary reference U.S. Government activity |
| 841617-18 | 3/9 Design control — primary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5310-01-332-7249 is a Nut,plain,spline, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-332-7249 has 2 manufacturer part numbers on file: 841617-18 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), FFC6010NL-8-B (Huck International, Inc. Div Huck Products Division).
Key specifications for 841617-18: 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.