The Nipple,boss, cataloged under National Stock Number 4730-01-087-4540, 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 Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-087-4540 |
| Primary Part Number | 16-F5OHAOS |
| Item Name | Nipple,boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 LOCKNUT AND 2 PREFORMED PACKING AND 1 FLAT WASHER |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END |
| Connection Style | DOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) SECOND END |
| Nominal Overall Length | 2.130 INCHES IN |
| Connection Type | THREADED EXTERNAL BOSS ALL ENDS |
| Style Designator | PLAIN W/ BULKHEAD THREAD |
| Nominal Thread Size | 1.312 INCHES ALL ENDS IN |
| Thread Class | 2A ALL ENDS A |
| Material | STEEL 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 |
|---|---|
| 3539751 | Oshkosh Defense Llc (USA) |
| 16-F5OHAOS PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| Reference | Meaning |
|---|---|
| 3539751 | 5/9 Secondary reference Oshkosh Corp |
| 16-F50F50S | 5/9 Secondary reference U.S. Government activity |
| 16-F50F50S | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division |
| 1386F93 | D/9 Drawing number reference only U.S. Government activity |
| 4730PL0781600 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 16-F50F50-S | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4730-01-087-4540 is a Nipple,boss, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-087-4540 has 2 manufacturer part numbers on file: 3539751 (Oshkosh Defense Llc), 16-F5OHAOS (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-087-7087. Verify interchangeability with system specifications before substitution.
Key specifications for 16-F5OHAOS: Furnished Items and Quantity: 1 LOCKNUT AND 2 PREFORMED PACKING AND 1 FLAT WASHER; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END; Connection Style: DOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) SECOND END; Nominal Overall Length: 2.130 INCHES IN. 10 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.