The Nut,plain,round, cataloged under National Stock Number 5310-01-325-9961, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ulven Companies, the. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-325-9961 |
| Primary Part Number | 155011 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Ulven Companies, the |
| Status | ACTIVE |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Hole Thread Quantity Per Inch | 32 |
| Nominal Thread Size | 4.000 INCHES IN |
| Hole Configuration Style | CONFIGURATION F |
| Thread Series | UN |
| Thread Quantity Per Inch | 12 |
| Material Document and Classification | ASTM A322 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A331 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Countersink Angle | 90.0 DEGREES NOMINAL BOTH ENDS |
| Hole Nominal Thread Diameter | 0.190 INCHES IN |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Surface Treatment Document and Classification | ASTM B633,TY 2,CL 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Material | STEEL COMP 4140 OVERALL |
| Drive Point Depth | 0.219 INCHES NOMINAL IN |
| Drive Point Width | 0.485 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Nut Thickness | 1.500 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2B |
| Hole Type and Quantity | 1 TAPPED |
| Nut Diameter | 5.422 INCHES MINIMUM AND 5.442 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 155011 | Ulven Forging Incorporated (USA) |
| SW26830 | Drs Sustainment Systems Inc (USA) |
| 1004282 | Ulven Forging Incorporated (USA) |
| 5310013259961 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 155011 PRIMARY | Ulven Companies, the (USA) |
| 155011 | Ulven Machinery Co, Inc (USA) |
NSN 5310-01-325-9961 is a Nut,plain,round, manufactured by Ulven Companies, the, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-325-9961 has 6 cross-referenced part numbers: 155011 (Ulven Forging Incorporated), SW26830 (Drs Sustainment Systems Inc), 1004282 (Ulven Forging Incorporated), 5310013259961 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 155011 (Ulven Companies, the) and 1 more.
There are 3 known substitutes for 5310-01-325-9961: 5330-00-164-3580, 1440-00-608-4311, 2995-00-761-8162. Verify interchangeability with system specifications before substitution.
Key specifications for 155011: Drive Point Quantity: 4; Nut Style: ROUND; Hole Thread Quantity Per Inch: 32; Nominal Thread Size: 4.000 INCHES IN. 21 total characteristics are documented in the Federal Logistics Information System.