The Nut,special, cataloged under National Stock Number 5310-01-159-7766, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-159-7766 |
| Item Name | Nut,special |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| General Characteristics Item Description | NICKEL-COPPER,QQ-N-281,CL A,O/A HGT 0.500 IN.,OD 1.125 IN.,4 HOLES 0.203 AT 90 DEG APART,BOTH ENDS 0.750-10 UNC-2B IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 810-4384681-A-5 2 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2640-341X1-52 | 5/2 Secondary reference U.S. Government activity |
| 803-4384681 | D/9 Drawing number reference only U.S. Government activity |
| 803-4384681-A-52 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-159-7766 is a Nut,special, classified under FSC 5310, Nuts and Washers. Status: active.
7 possible matches (shared part number, not a government interchangeability claim): 4820-01-184-3613, 4820-01-184-3614, 4820-01-228-1162. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-01-159-7766: General Characteristics Item Description: NICKEL-COPPER,QQ-N-281,CL A,O/A HGT 0.500 IN.,OD 1.125 IN.,4 HOLES 0.203 AT 90 DEG APART,BOTH ENDS 0.750-10 UNC-2B IN. 1 specification is 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.