The Nut,sleeve, cataloged under National Stock Number 5310-01-161-2602, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is R & N Investment Properties, L.c. Dba R & N Investments Llc. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-161-2602 |
| Primary Part Number | 666193R319A |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | R & N Investment Properties, L.c. Dba R & N Investments Llc |
| Status | ACTIVE |
| Flange Diameter | 0.344 INCHES NOMINAL IN |
| Nut Length | 0.220 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-E-15090,TY 3,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Thickness | 0.220 INCHES NOMINAL IN |
| Thread Series | UNF |
| Material Document and Classification | ASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Nut Diameter | 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Cross-Sectional Shape | ROUND W/WRENCH FLATS BOSS |
| Surface Treatment | ENAMEL OVERALL |
| Nut Style | SLEEVE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 OVERALL |
| 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 |
|---|---|
| 666193R319A PRIMARY | R & N Investment Properties, L.c. Dba R & N Investments Llc (USA) |
| 666193-319 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
| Reference | Meaning |
|---|---|
| 666193R319A | 5/9 Secondary reference Radionics Technologies Inc |
NSN 5310-01-161-2602 is a Nut,sleeve, manufactured by R & N Investment Properties, L.c. Dba R & N Investments Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-161-2602 has 2 manufacturer part numbers on file: 666193R319A (R & N Investment Properties, L.c. Dba R & N Investments Llc), 666193-319 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc).
Key specifications for 666193R319A: Flange Diameter: 0.344 INCHES NOMINAL IN; Nut Length: 0.220 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-E-15090,TY 3,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Flange Thickness: 0.220 INCHES NOMINAL IN. 15 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.