The Packing,preformed, cataloged under National Stock Number 5330-00-917-7732, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Burke Industries Purosil Div. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-917-7732 |
| Primary Part Number | H733-4-237 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Burke Industries Purosil Div |
| Status | ACTIVE |
| Temp Rating | 400.0 FAHRENHEIT DEGF |
| Operating Medium | AIR OR FUEL, AVIATION OR LUBRICANT, PETROLEUM BASE |
| Cross-Sectional Height | 0.132 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN |
| Hardness Rating | 55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Reference Data and Literature | ASTM D2000 2FK608A19E36F19Z1 |
| Material Document and Classification | MIL-R-25988,CLASS 1,GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | O-RING |
| Specification/standard Data | 81755-C007 MANUFACTURERS SPECIFICATION CONTROL |
| Color | RED |
| Center Hole Diameter | 3.290 INCHES MINIMUM AND 3.354 INCHES MAXIMUM IN |
| Functional Description | STATIC SEAL APPL |
| Material | RUBBER FLUOROSILICONE CLASS FQ OVERALL |
| 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 |
|---|---|
| H733-4-237 PRIMARY | Burke Industries Purosil Div (USA) |
| AA-237TH1047 | Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa (MEX) |
| L0946 2-237 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| PRP568-237-1133-60 PRIMARY | Parco, Llc (USA) |
| PRP237-11646 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| B63115-237 | Parco, Llc (USA) |
| 237-11646 PRIMARY | Parker Hannifin Corporation Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| AA-237TH1047 | 3/2 Design control — primary reference U.S. Government activity |
| 2-237L449-6 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 11-237-8450-60 | 3/2 Design control — primary reference U.S. Government activity |
| 2-237 L449-65 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| C007-237 | 7/2 Vendor item drawing reference U.S. Government activity |
| 2-237L946-60 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
NSN 5330-00-917-7732 is a Packing,preformed, manufactured by Burke Industries Purosil Div, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-917-7732 has 7 manufacturer part numbers on file: H733-4-237 (Burke Industries Purosil Div), AA-237TH1047 (Hutchinson Seal De Mexico Stillman Seal Division Div Stillman Seal,jpr,espa), L0946 2-237 (Parker-Hannifin Corp Div O-Ring Division), PRP568-237-1133-60 (Parco, Llc), PRP237-11646 (Parker Hannifin Corporation Div O-Ring Division) and 2 more.
Key specifications for H733-4-237: Temp Rating: 400.0 FAHRENHEIT DEGF; Operating Medium: AIR OR FUEL, AVIATION OR LUBRICANT, PETROLEUM BASE; Cross-Sectional Height: 0.132 INCHES MINIMUM AND 0.142 INCHES MAXIMUM IN; Hardness Rating: 55.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL. 12 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.