The O-Ring, cataloged under National Stock Number 5331-01-473-7939, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is John Deere Construction & Forestry Company. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-473-7939 |
| Primary Part Number | AT180995 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | John Deere Construction & Forestry Company |
| Status | ACTIVE |
| 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 |
|---|---|
| 4297380 | Rdo Agriculture Equipment Co (USA) |
| AT180995 PRIMARY | John Deere Construction & Forestry Company (USA) |
| Reference | Meaning |
|---|---|
| 4674883 | 5/9 Secondary reference John Deere Construction & Forestry Company Div Direct Governmental Sales |
| 4622346 | 5/9 Secondary reference John Deere Construction & Forestry Company Div Direct Governmental Sales |
| AT180995 | 3/9 Design control — primary reference John Deere Construction & Forestry Company Div Direct Governmental Sales |
NSN 5331-01-473-7939 is a O-Ring, manufactured by John Deere Construction & Forestry Company, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-473-7939 has 2 manufacturer part numbers on file: 4297380 (Rdo Agriculture Equipment Co), AT180995 (John Deere Construction & Forestry Company).
2 possible matches (shared part number, not a government interchangeability claim): 5975-01-576-0548, 5331-01-596-4999. Verify interchangeability with system specifications before substitution.
Key specifications for AT180995: End Item Identification: CONTRACTOR LOGISTICS LIFETIME SUPPORT (CRLS), HYDRAULIC EXCAVATOR TYPE I (HYEX) (MODEL 230 LCR HX1), NSN 3805-01-463-0804, TM5-3805-280-24-P. 0 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.