The O-Ring, cataloged under National Stock Number 5331-01-061-3261, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Moog Military Aircraft Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5331-01-061-3261 |
| Primary Part Number | 38266 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Moog Military Aircraft Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Center Hole Diameter | 1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN |
| Material | PLASTIC POLYHEXAMETHYLENE ADIPAMIDE |
| 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 |
|---|---|
| 38266 PRIMARY | Moog Military Aircraft Llc (USA) |
| 36390 FIND 33 | Moog Military Aircraft Llc (USA) |
| Reference | Meaning |
|---|---|
| 36390 FIND 33 | 5/9 Secondary reference U.S. Government activity |
| 38266 | 5/9 Secondary reference U.S. Government activity |
| 2-029 NITRILE | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 36390 FIND 33 | 5/9 Secondary reference Moog Inc Div Moog Inc., Space and Defense - Salt Lake City |
| 2-029 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 38266 | 5/9 Secondary reference Moog Inc Div Moog Inc., Space and Defense - Salt Lake City |
| 38266 | 5/9 Secondary reference E-Systems Inc Montek Div Fluid Controls Opns |
| 36390 FIND 33 | 5/9 Secondary reference E-Systems Inc Montek Div Fluid Controls Opns |
| 930299-2-218 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-061-3261 is a O-Ring, manufactured by Moog Military Aircraft Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-061-3261 has 2 manufacturer part numbers on file: 38266 (Moog Military Aircraft Llc), 36390 FIND 33 (Moog Military Aircraft Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-320-2484, 5975-01-358-5118. Verify interchangeability with system specifications before substitution.
Key specifications for 38266: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 1.228 INCHES MINIMUM AND 1.240 INCHES MAXIMUM IN; Material: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE. 3 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.