The O-Ring, cataloged under National Stock Number 5331-00-144-8220, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5331-00-144-8220 |
| Primary Part Number | GS570J2H152 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Center Hole Diameter | 3.222 INCHES MINIMUM AND 3.252 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| GS570J2H152 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| Y-1175-16-2 | C/1 Advisory reference — outside the item-of-supply concept Breeze-Eastern Llc |
| 2005W | C/1 Advisory reference — outside the item-of-supply concept Lake Region Development Co Inc Bradford Machine Tool Div |
| 792-410 ITEM NO. 10 | C/1 Advisory reference — outside the item-of-supply concept Emerson Automation Solutions Final Control Us Lp |
| 808ARPX2099 | C/1 Advisory reference — outside the item-of-supply concept Texsteam Inc Dba Txt or Rcs or Texsteam |
| 230-927-152-792-000 | C/1 Advisory reference — outside the item-of-supply concept Emerson Automation Solutions Final Control Us Lp |
| 16239 | C/1 Advisory reference — outside the item-of-supply concept Warn Industries Inc |
| 2-152 N674-70 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 100061574 ITEM 42 | C/1 Advisory reference — outside the item-of-supply concept Texsteam Inc Dba Txt or Rcs or Texsteam |
| 2-152N219-7 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corp Div O-Ring Division |
| 2-152-N674-70 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 25-62700 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5331-00-144-8220 is a O-Ring, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-144-8220 has 1 manufacturer part number on file: GS570J2H152 (Northrop Grumman Systems Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 5330-00-763-9114, 5950-00-997-5678, 6515-01-590-6473. Verify interchangeability with system specifications before substitution.
Key specifications for GS570J2H152: Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Center Hole Diameter: 3.222 INCHES MINIMUM AND 3.252 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 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.