The O-Ring, cataloged under National Stock Number 5331-01-155-4277, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Oshkosh Defense Llc. This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-155-4277 |
| Primary Part Number | 2HS556 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2HS556 | Oshkosh Defense Llc (USA) |
| 5331PL1263812 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| 22617-4 | Danfoss Power Solutions II, Llc (USA) |
| 22617-4 | Americo Industrial Supply Inc (USA) |
| 853181952 | Bomag Usa Sub of United Dominion Industries Ltd (USA) |
| 2HS556 | Oshkosh Corp (USA) |
NSN 5331-01-155-4277 is a O-Ring, manufactured by Oshkosh Defense Llc, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-155-4277 has 6 cross-referenced part numbers: 2HS556 (Oshkosh Defense Llc), 5331PL1263812 (Jednolity Indeks Materialowy - Uniform Material Index), 22617-4 (Danfoss Power Solutions II, Llc), 22617-4 (Americo Industrial Supply Inc), 853181952 (Bomag Usa Sub of United Dominion Industries Ltd) and 1 more.
There is 1 known substitute for 5331-01-155-4277: 5910-00-959-2857. Verify interchangeability with system specifications before substitution.
Key specifications for 2HS556: End Item Identification: MRAP - COMMON NSN - USED ON MRAP NO PERMANENT WSDC IDENTIFIED AND 16 OTHER WEAPON SYSTEMS. 1 total characteristics are documented in the Federal Logistics Information System.