The Nut,sleeve, cataloged under National Stock Number 5310-01-507-2166, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastener Innovation Technology, Inc. Dba F I T. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-507-2166 |
| Primary Part Number | FIT7899-1 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastener Innovation Technology, Inc. Dba F I T |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Flange Diameter | 0.306 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Nut Length | 0.426 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS-QQ-P-35, TYPE II ASSN STD SINGLE TREATMENT RESPONSE NUT |
| Flange Thickness | 0.035 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN |
| Thread Series | UNJC |
| Thread Length | 0.311 INCHES NOMINAL OVERALL IN |
| Material Document and Classification | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Nut Diameter | 0.185 INCHES MINIMUM AND 0.186 INCHES MAXIMUM IN |
| Cross-Sectional Shape | ROUND NUT |
| Surface Treatment | PASSIVATE NUT |
| Nut Style | SLEEVE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 NUT |
| 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 |
|---|---|
| FIT7899-1 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| Reference | Meaning |
|---|---|
| 3D0331-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-507-2166 is a Nut,sleeve, manufactured by Fastener Innovation Technology, Inc. Dba F I T, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-507-2166 has 1 manufacturer part number on file: FIT7899-1 (Fastener Innovation Technology, Inc. Dba F I T).
Key specifications for FIT7899-1: Lubrication: DRY FILM LUBRICANT; Flange Diameter: 0.306 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN; Nut Length: 0.426 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS-QQ-P-35, TYPE II ASSN STD SINGLE TREATMENT RESPONSE NUT. 17 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.