The Nipple,special, cataloged under National Stock Number 4730-01-187-5453, 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 Goodrich Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-187-5453 |
| Primary Part Number | 1881-267 |
| Item Name | Nipple,special |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | 2.685 IN. OVERALL LENGTH;1.620 IN. ID FIRST END;1.648 IN. ID SECOND END;THREAD SIZE 2.250-16;THREAD SERIES UNJ;THREAD CLASS 3A;SECOND END HAS FOUR HOLES TAP DRILL BY 0.260 IN. DEEP 10-32 UNF-3B THD BY 0.220 IN. DEEP PER MIL-S-7742 AND FOUR MORE HOLES UNTHREADED 0.188 MIN IN. AND 0.199 MAX IN. DIA A |
| 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 |
|---|---|
| 1881-267 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1881-267 | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 4730-01-187-5453 is a Nipple,special, manufactured by Goodrich Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-187-5453 has 1 manufacturer part number on file: 1881-267 (Goodrich Corporation).
Key specifications for 1881-267: General Characteristics Item Description: 2.685 IN. OVERALL LENGTH;1.620 IN. ID FIRST END;1.648 IN. ID SECOND END;THREAD SIZE 2.250-16;THREAD SERIES UNJ;THREAD CLASS 3A;SECOND END HAS FOUR HOLES TAP DRILL BY 0.260 IN. DEEP 10-32 UNF-3B THD BY 0.220 IN. DEEP PER MIL-S-7742 AND FOUR MORE HOLES UNTHREADED 0.188 MIN IN. AND 0.199 MAX IN. DIA A; Part Name Assigned by Controlling Agency: NUT,SPECIAL PURPOSE; End Item Identification: B-1B ACFT. 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.