The Nut Assembly,self-Locking,gang C, cataloged under National Stock Number 5310-01-339-2072, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 24 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-339-2072 |
| Primary Part Number | BACN10YK3D009CD |
| Item Name | Nut Assembly,self-Locking,gang C |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2,CLASS 1JBAQQ-P-416,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE NUT |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Nut Quantity | 79 |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737JGCAMS 5688 ASSN STD SINGLE MATERIAL RESPONSE CLIP |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Nut Counterbore Depth | 0.250 INCHES NOMINAL FIRST END IN |
| Features Provided | FLOATING NUT |
| Channel Height | 0.250 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Counterbore Diameter | 0.194 INCHES MINIMUM FIRST END IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Assembly Overall Height | 0.434 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE NUT |
| Surface Treatment | ANODIZE CHANNEL |
| Surface Treatment | PASSIVATE CLIP |
| Nut Style | GANG CHANNEL, SELF LOCKING |
| Thread Class | 3B |
| Test Data Document | 81349-MIL-N-25027 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Thread Quantity Per Inch | 32 |
| Material | ALUMINUM ALLOY 7075 CHANNEL |
| Nut Spacing | 0.900 INCHES NOMINAL IN |
| Channel Style | STRAIGHT TYPE |
| 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 |
|---|---|
| BACN10YK3D009CD PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| BACN10YK3D009CD | 3/2 Design control — primary reference U.S. Government activity |
| BACN10YK3D009CD3 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| BACN10YK | D/9 Drawing number reference only U.S. Government activity |
| BACN10YK3D009CD | 1/2 Source control — Government-approved source U.S. Government activity |
| G201-4-3-0900 | 5/9 Secondary reference Harvard Industries Inc |
| NS202596-3-4-009 | 5/9 Secondary reference U.S. Government activity |
| BACN10YK3D009CD4 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| G51948-3-4-9 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
NSN 5310-01-339-2072 is a Nut Assembly,self-Locking,gang C, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-339-2072 has 1 manufacturer part number on file: BACN10YK3D009CD (Howmet Global Fastening Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-706-0449. Verify interchangeability with system specifications before substitution.
Key specifications for BACN10YK3D009CD: Lubrication: DRY FILM LUBRICANT; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2,CLASS 1JBAQQ-P-416,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE NUT; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Nut Quantity: 79. 24 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.