The Gasket, cataloged under National Stock Number 5330-01-187-6130, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-187-6130 |
| Primary Part Number | 52B6176-1 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.031 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN |
| Hardness Rating | 85.0 ROCKWELL SUPERFICIAL 15-N NOMINAL OVERALL |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | RECTANGULAR METAL |
| Outside Diameter | 1.970 INCHES NOMINAL IN |
| Aperture Diameter | 1.690 INCHES MINIMUM AND 1.700 INCHES MAXIMUM IN |
| Material | IRON 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 |
|---|---|
| 52B6176-1 | Defence Liaison Services Pty Ltd (AUS) |
| 52B6176-1 PRIMARY | Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (USA) |
| 303172 | Scandinavian Manufacturing Scama Ab (SWE) |
| Reference | Meaning |
|---|---|
| 5330PL0813038 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5330-01-187-6130 is a Gasket, manufactured by Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-187-6130 has 3 manufacturer part numbers on file: 52B6176-1 (Defence Liaison Services Pty Ltd), 52B6176-1 (Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba), 303172 (Scandinavian Manufacturing Scama Ab).
1 possible match (shared part number, not a government interchangeability claim): 4210-01-284-7134. Verify interchangeability with system specifications before substitution.
Key specifications for 52B6176-1: Cross-Sectional Thickness: 0.031 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN; Hardness Rating: 85.0 ROCKWELL SUPERFICIAL 15-N NOMINAL OVERALL; Style Designator: CIRCULAR; Cross-Sectional Shape Style: RECTANGULAR METAL. 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.