The Bushing,sleeve, cataloged under National Stock Number 3120-00-662-4720, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 10 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-662-4720 |
| Primary Part Number | S685-17-280 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Flange Outside Diameter | 0.8650 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 4140 OVERALL |
| Material Document and Classification | MIL-S-5626,C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Corner Shape | SQUARE ALL CORNERS |
| Surface Finish | 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY |
| Flange Width | 0.0620 INCHES NOMINAL IN |
| Body Outside Diameter | 0.7510 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM IN |
| Body Inside Diameter | 0.6210 INCHES MINIMUM AND 0.6230 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S685-17-280 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| AM7250-4 PRIMARY | Avalon Glass and Mirror Co (USA) |
| 6721 | Master Machine Products Corp (USA) |
NSN 3120-00-662-4720 is a Bushing,sleeve, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-00-662-4720 has 3 cross-referenced part numbers: S685-17-280 (Northrop Grumman Systems Corporation), AM7250-4 (Avalon Glass and Mirror Co), 6721 (Master Machine Products Corp).
There are 10 known substitutes for 3120-00-662-4720: 3110-00-157-3726, 6105-00-439-4081, 5310-00-522-9250 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for S685-17-280: Flange Outside Diameter: 0.8650 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM IN; Surface Treatment: CADMIUM OVERALL; Material: STEEL COMP 4140 OVERALL; Material Document and Classification: MIL-S-5626,C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.