The Gasket, cataloged under National Stock Number 5330-01-046-1144, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Swagelok Co. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-046-1144 |
| Primary Part Number | T-9B-3N |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.170 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | WS-5 FSCM 12623 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 0.341 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| Aperture Diameter | 0.255 INCHES MINIMUM AND 0.258 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE 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 |
|---|---|
| T-9B-3N PRIMARY | Swagelok Co (USA) |
| SS-3NBSW4T-95NO ITEM 18 | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| T-9-3N | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| T-9B-3N | 5/9 Secondary reference Whitey Co |
| SS-3NBSW4T-95NO ITEM 18 | 5/9 Secondary reference Whitey Co |
NSN 5330-01-046-1144 is a Gasket, manufactured by Swagelok Co, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-046-1144 has 2 manufacturer part numbers on file: T-9B-3N (Swagelok Co), SS-3NBSW4T-95NO ITEM 18 (Swagelok Co).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-048-7345. Verify interchangeability with system specifications before substitution.
Key specifications for T-9B-3N: Cross-Sectional Thickness: 0.170 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: WS-5 FSCM 12623 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 7 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.