The Ball,bearing, cataloged under National Stock Number 3110-00-356-0702, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is United Technologies Corp Electro Systems Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-356-0702 |
| Primary Part Number | BB1037 |
| Item Name | Ball,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | United Technologies Corp Electro Systems Inc |
| Status | ACTIVE |
| Rolling Element Diameter | 0.4373 INCHES MINIMUM AND 0.4377 INCHES MAXIMUM IN |
| Style Designator | BALL |
| 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 |
|---|---|
| BB1037 PRIMARY | United Technologies Corp Electro Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| BB1037 | 5/9 Secondary reference Ambac International Corporation Div Ambac International |
NSN 3110-00-356-0702 is a Ball,bearing, manufactured by United Technologies Corp Electro Systems Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-356-0702 has 1 manufacturer part number on file: BB1037 (United Technologies Corp Electro Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 2990-00-734-8360. Verify interchangeability with system specifications before substitution.
Key specifications for BB1037: Rolling Element Diameter: 0.4373 INCHES MINIMUM AND 0.4377 INCHES MAXIMUM IN; Style Designator: BALL; Material: STEEL OVERALL. 3 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.