The Nipple,tube, cataloged under National Stock Number 4730-00-177-8596, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-177-8596 |
| Primary Part Number | 512256-1 |
| Item Name | Nipple,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Nominal Overall Length | 1.180 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Style Designator | PLAIN W/ BULKHEAD THREAD |
| Material Document and Classification | QQ-A-268,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.314 INCHES ALL ENDS IN |
| Leg Length | 0.562 INCHES NOMINAL FIRST END IN |
| Leg Length | 0.645 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Seat Angle | 45.0 DEGREES ALL ENDS |
| Thread Class | 3A ALL ENDS A |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| 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 |
|---|---|
| 512256-1 PRIMARY | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| Reference | Meaning |
|---|---|
| 512256-1 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
NSN 4730-00-177-8596 is a Nipple,tube, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-177-8596 has 1 manufacturer part number on file: 512256-1 (Honeywell International, Inc Div Aerospace-Tucson).
Key specifications for 512256-1: Connection Style: FLARED (TUBE) ALL ENDS; Nominal Overall Length: 1.180 INCHES IN; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Style Designator: PLAIN W/ BULKHEAD THREAD. 13 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.