The Packing,preformed, cataloged under National Stock Number 5330-01-191-2524, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-191-2524 |
| Primary Part Number | AV23A1116BD ITEM 21 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S |
| Status | ACTIVE |
| Temp Rating | -40.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Cross-Sectional Shape Style | O-RING |
| Elongation Percentage | 120 MAXIMUM |
| Peripheral Diameter | 0.926 INCHES MINIMUM AND 0.956 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.792 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN |
| Cross Section Outside Diameter | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ST1946-019 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| AV23A1116BD ITEM 21 PRIMARY | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA) |
| 2-019 V0835-75 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| V0835 2-019 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| M83485/1-019 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| M83485/1-019 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 5330PL1668913 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| M83485/1-019 | 3/9 Design control — primary reference U.S. Government activity |
| AMS-R-83485/1 | 5/1 Secondary reference Sae International Dba Sae International |
| M83485/1-019 | 5/9 Secondary reference U.S. Government activity |
| MIL-R-83485/1 | 5/9 Secondary reference U.S. Government activity |
| AMS-R-83485/1 | 5/9 Secondary reference U.S. Government activity |
| 5330PL0672593 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5330-01-191-2524 is a Packing,preformed, manufactured by Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-191-2524 has 6 manufacturer part numbers on file: ST1946-019 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), AV23A1116BD ITEM 21 (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S), 2-019 V0835-75 (Parker-Hannifin Corp Div O-Ring Division), V0835 2-019 (Parker-Hannifin Corp Div O-Ring Division), M83485/1-019 (Leonardo Spa Helicopters Division - Production Site) and 1 more.
1 possible match (shared part number, not a government interchangeability claim): 5330-01-650-2996. Verify interchangeability with system specifications before substitution.
Key specifications for AV23A1116BD ITEM 21: Temp Rating: -40.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM OVERALL; Cross-Sectional Shape Style: O-RING. 9 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.