The Nut,plain,single Ball Seat,hexag, cataloged under National Stock Number 5310-00-271-4998, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ford Motor Co Ford Parts and Service Div Government Part Sales. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-271-4998 |
| Primary Part Number | BB1120 |
| Item Name | Nut,plain,single Ball Seat,hexag |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Ford Motor Co Ford Parts and Service Div Government Part Sales |
| Status | CANCELLED |
| Thread Direction | RIGHT-HAND |
| Ball Seat Radius | 0.331 INCHES NOMINAL IN |
| Nut Style | SINGLE BALL SEAT, HEXAGON |
| Thread Class | 2B |
| Hardness Rating | 80.0 ROCKWELL B NOMINAL |
| Thread Quantity Per Inch | 16 |
| Thread Series | UNF |
| Nominal Thread Size | 0.750 INCHES IN |
| Material | STEEL COMP 1212 OVERALL |
| Width Across Flats | 1.500 INCHES NOMINAL IN |
| Nut Height | 0.875 INCHES NOMINAL IN |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5310-00-271-4998 is a Nut,plain,single Ball Seat,hexag, manufactured by Ford Motor Co Ford Parts and Service Div Government Part Sales, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-271-4998 has 3 cross-referenced part numbers: BB1120 (Ford Motor Co Ford Parts and Service Div Government Part Sales), BB1120 (Ford Motor Company), BB 1120 (Zf Industrieantriebe Witten Gmbh).
There is 1 known substitute for 5310-00-271-4998: 2805-00-173-0525. Verify interchangeability with system specifications before substitution.
Key specifications for BB1120: Thread Direction: RIGHT-HAND; Ball Seat Radius: 0.331 INCHES NOMINAL IN; Nut Style: SINGLE BALL SEAT, HEXAGON; Thread Class: 2B. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-271-4998 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.