The Gasket, cataloged under National Stock Number 5330-01-017-0029, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-017-0029 |
| Primary Part Number | 42279A |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Cross-Sectional Thickness | 0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | QQ-S-763,TY 304 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR METAL |
| Outside Diameter | 4.230 INCHES MINIMUM AND 4.233 INCHES MAXIMUM IN |
| Aperture Diameter | 4.130 INCHES MINIMUM AND 4.133 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 304 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 |
|---|---|
| 42279A PRIMARY | Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA) |
| 42279A | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 42279A | 5/9 Secondary reference Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S |
NSN 5330-01-017-0029 is a Gasket, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-017-0029 has 2 manufacturer part numbers on file: 42279A (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 42279A (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 42279A: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Cross-Sectional Thickness: 0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN; Style Designator: CIRCULAR; Material Document and Classification: QQ-S-763,TY 304 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.