The Plate,retaining,bearing, cataloged under National Stock Number 3110-00-182-8489, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-182-8489 |
| Primary Part Number | 7979489 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Length | 2.480 INCHES NOMINAL IN |
| Minor Thickness | 0.095 INCHES MINIMUM IN |
| Distance Between Holes Along Length | 1.720 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Counterbore Diameter | 1.302 INCHES MINIMUM AND 1.305 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | FOUR HOLES |
| Overall Thickness | 0.179 INCHES NOMINAL IN |
| Distance Between Holes Along Width | 1.720 INCHES NOMINAL IN |
| Style Designator | SQUARE |
| Mounting Hole Diameter | 0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | COUNTERBORED W/ APERTURE |
| Aperture Diameter | 1.228 INCHES MINIMUM AND 1.235 INCHES MAXIMUM IN |
| Distance From Horizontal Centerline to Center of Right Hole | 0.860 INCHES NOMINAL IN |
| Distance From Vertical Centerline to Center of Right Hole | 0.860 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 7979489 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3110-00-182-8489 is a Plate,retaining,bearing, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-182-8489 has 1 manufacturer part number on file: 7979489 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7979489: Length: 2.480 INCHES NOMINAL IN; Minor Thickness: 0.095 INCHES MINIMUM IN; Distance Between Holes Along Length: 1.720 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED. 15 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.