The Bearing,ball,rod End, cataloged under National Stock Number 3110-01-251-1369, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3110-01-251-1369 |
| Primary Part Number | ALK4-136 |
| Item Name | Bearing,ball,rod End |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | New Hampshire Ball Bearings Inc Div Astro Division |
| Status | ACTIVE |
| Shank Diameter | 0.2400 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE BALL |
| Surface Treatment Document and Classification | QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE SLEEVE |
| Style Designator | SINGLE ROW, BALL |
| Material Document and Classification | AMS5630 ASSN STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | AMS5630 ASSN STD SINGLE MATERIAL RESPONSE SLEEVE |
| Material Document and Classification | AMS5643 ASSN STD SINGLE MATERIAL RESPONSE INSERT |
| Overall Outside Diameter | 0.6150 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN |
| Shank Style | SOLID |
| Surface Treatment | CHROMIUM BALL |
| Surface Treatment | CHROMIUM SLEEVE |
| Length From Bore Center to Shank End | 2.9950 INCHES MINIMUM AND 3.0050 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C BALL |
| Material | STEEL COMP 440C SLEEVE |
| Material | STEEL COMP 630 INSERT |
| 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 |
|---|---|
| ALK4-136 | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| Reference | Meaning |
|---|---|
| 5046T99P02 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-251-1369 is a Bearing,ball,rod End, manufactured by New Hampshire Ball Bearings Inc Div Astro Division, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-251-1369 has 1 manufacturer part number on file: ALK4-136 (New Hampshire Ball Bearings Inc Div Astro Division).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-347-5767. Verify interchangeability with system specifications before substitution.
Key specifications for ALK4-136: Shank Diameter: 0.2400 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE BALL; Surface Treatment Document and Classification: QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE SLEEVE; Style Designator: SINGLE ROW, BALL. 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.