The Packing Nut, cataloged under National Stock Number 4730-00-200-0484, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 29 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-200-0484 |
| Primary Part Number | 53990A |
| Item Name | Packing Nut |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Fairbanks Morse, Llc |
| Status | CANCELLED |
| Thread Class | 2A A |
| Material | COPPER ALLOY |
| Style Designator | HEXAGON, EXTERNAL THREAD, BOSS |
| Style Designator | HEXAGON, EXTERNAL THREAD, BOSS |
| Screw Thread Series Designator | UNF |
| Thread Size | 0.875-14 |
| Width Across Flats | 1.000 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Smallest Inside Diameter | 0.508 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Thread Length | 0.453 INCHES NOMINAL IN |
| Strength Rating | ERR-060 |
| Thread Direction | RIGHT-HAND |
| Screw Thread Location | EXTERNAL |
| Material | COPPER ALLOY |
| Screw Thread Location | EXTERNAL |
| Smallest Inside Diameter | 0.508 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| V6-3501-8 | Solventum Purification Inc. Div Filtration and Separation Division (USA) |
| 24FSC41-2 | Cooper Cameron Corp Cooper Bessemer Reciprocating Products Div (USA) |
| 3277096 | General Motors Corp Electro-Motive Div (USA) |
| 3277096 | General Motors Corp (USA) |
| 53990A | Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA) |
| 32769 | Hercules Engine Co Inc (USA) |
| 53990A PRIMARY | Fairbanks Morse, Llc (USA) |
| 72-09720-093 | Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA) |
| 72-0972-093 | Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA) |
| 14453PC41 | Solventum Purification Inc. Div Filtration and Separation Division (USA) |
| 3177096 | Hatch & Kirk, Inc. (USA) |
| B3739-4 | Cooper Machinery Services Llc (USA) |
| 72-0972-093 PRIMARY | Fairbanks Morse, Llc (USA) |
| 4362037 | Agco Corp Parts Opn (USA) |
| 72-09720-093 PRIMARY | Fairbanks Morse, Llc (USA) |
| 72-0970-924 | Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA) |
| 24FSC41 | Cooper Cameron Corp Cooper Bessemer Reciprocating Products Div (USA) |
| 32158-35 PRIMARY | Solventum Purification Inc. Div Filtration and Separation Division (USA) |
| 72-0970-924 PRIMARY | Fairbanks Morse, Llc (USA) |
| 24FSN41-2 | Cooper Cameron Corp Cooper Bessemer Reciprocating Products Div (USA) |
NSN 4730-00-200-0484 is a Packing Nut, manufactured by Fairbanks Morse, Llc, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-200-0484 has 29 cross-referenced part numbers: V6-3501-8 (Solventum Purification Inc. Div Filtration and Separation Division), 24FSC41-2 (Cooper Cameron Corp Cooper Bessemer Reciprocating Products Div), 3277096 (General Motors Corp Electro-Motive Div), 3277096 (General Motors Corp), 53990A (Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco) and 24 more.
There are 11 known substitutes for 4730-00-200-0484: 3120-00-113-1538, 4730-00-230-8778, 4730-00-266-0531 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 53990A: Thread Class: 2A A; Material: COPPER ALLOY; Style Designator: HEXAGON, EXTERNAL THREAD, BOSS; Style Designator: HEXAGON, EXTERNAL THREAD, BOSS. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-200-0484 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.