The Bearing,pitch Change, cataloged under National Stock Number 3110-01-256-7538, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is New Hampshire Ball Bearings Inc Div Astro Division. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-256-7538 |
| Primary Part Number | 214-011-819-101 |
| Item Name | Bearing,pitch Change |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | New Hampshire Ball Bearings Inc Div Astro Division |
| Status | ACTIVE |
| General Characteristics Item Description | CRES,17-4PH AMS5643; 1.4370 IN. MIN,1.4375 IN. MAX OD; 1.000 IN. W; 0.4995 IN. MIN,0.5000 IN. MAX BORE DIA,OUTER MEMBER WIDTH 0.588 IN. MIN,0.598 IN. MAX IN |
| 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 |
|---|---|
| 214-011-819-101 PRIMARY | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| Reference | Meaning |
|---|---|
| ASB8114DU | 5/9 Secondary reference New Hampshire Ball Bearings Inc Div Precision Division |
| ASB8V77 | 5/1 Secondary reference New Hampshire Ball Bearings Inc Div Astro Division |
| 214-011-819-101 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 3110-01-256-7538 is a Bearing,pitch Change, manufactured by New Hampshire Ball Bearings Inc Div Astro Division, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-256-7538 has 1 manufacturer part number on file: 214-011-819-101 (New Hampshire Ball Bearings Inc Div Astro Division).
Key specifications for 214-011-819-101: General Characteristics Item Description: CRES,17-4PH AMS5643; 1.4370 IN. MIN,1.4375 IN. MAX OD; 1.000 IN. W; 0.4995 IN. MIN,0.5000 IN. MAX BORE DIA,OUTER MEMBER WIDTH 0.588 IN. MIN,0.598 IN. MAX IN; End Item Identification: AIRCRAFT MODEL H-1. 1 specification is 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.